{"action": "characterize", "output": "KIR2DS4", "reagent": ["NK clones"]}
{"action": "repeat", "output": "the characterization process", "reagent": [""]}
{"action": "use", "output": "", "reagent": ["dNK cells"], "temperature": ["37\u00b0C"], "time": ["72 hours"]}
{"action": "repeat", "output": "the co-incubation steps"}