[
    "You calibrate a radio telescope to detect signals from neutral hydrogen at a wavelength of 21-cm.",
    "You analyze data from a radio astronomy experiment measuring the redshift of a distant galaxy through its 21-cm emission.",
    "You attend a lecture on the importance of 21-cm cosmology in understanding the early universe.",
    "You collaborate with a team of astronomers to map the distribution of neutral hydrogen using 21-cm observations.",
    "You adjust the frequency settings on a radio receiver to tune into the 21-cm spectral line emitted by interstellar gas clouds.",
    "You participate in a research project aiming to use 21-cm observations to study the large-scale structure of the cosmos.",
    "You simulate the effects of dark matter on the 21-cm signal from the cosmic dawn era.",
    "You discuss the implications of fast radio bursts on the interpretation of 21-cm data in astrophysics.",
    "You teach a class on the technological advancements enabling the detection of faint 21-cm radiation from the early universe.",
    "You examine the implications of magnetic fields on the polarization of 21-cm signals in the intergalactic medium.",
    "You analyze the statistical distribution of 21-cm brightness temperature fluctuations to constrain cosmological parameters.",
    "You investigate the potential use of machine learning algorithms to extract information from noisy 21-cm datasets.",
    "You contribute to a paper discussing the implications of foreground contamination on 21-cm intensity mapping surveys.",
    "You give a presentation on the challenges of foreground removal in extracting cosmological information from 21-cm observations.",
    "You work on a project developing novel data processing techniques for enhancing the signal-to-noise ratio of 21-cm maps.",
    "You discuss the implications of redshift space distortions on the clustering properties of 21-cm intensity maps.",
    "You participate in a workshop focused on the future prospects of 21-cm cosmology in constraining dark energy models.",
    "You explore the connection between cosmic reionization history and the evolution of the 21-cm signal.",
    "You contribute to a collaborative effort aiming to detect 21-cm signals from the cosmic dawn epoch using radio interferometry.",
    "You review a manuscript proposing a new method for characterizing the redshift evolution of the 21-cm power spectrum.",
    "You engage in a debate on the role of 21-cm cosmology in testing alternative theories of gravity.",
    "You observe the effects of instrument calibration on the accuracy of 21-cm intensity measurements.",
    "You discuss the challenges of mitigating radio frequency interference in 21-cm observations.",
    "You study the impact of baryonic feedback processes on the 21-cm signal from the epoch of reionization.",
    "You analyze the correlation between Lyman-alpha forest absorption spectra and 21-cm emission profiles.",
    "You compare different cosmological models using constraints from 21-cm power spectrum measurements.",
    "You attend a conference presenting the latest observational constraints on cosmological parameters from 21-cm experiments.",
    "You participate in a field campaign to collect 21-cm data for mapping the large-scale structure of the universe.",
    "You debate the feasibility of constraining primordial non-Gaussianity through 21-cm intensity mapping surveys.",
    "You investigate the impact of gravitational lensing on the observed power spectrum of 21-cm fluctuations."
]