In this task, you are given a sentence. You are expected to write the name of the organism substances in the body mentioned in the input. Although there might be several correct answers, you need to write one of them.
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Question:  Neural network analysis of spectroscopic data of lycopene and beta - carotene content in food samples compared to HPLC - UV - vis .

Answer: samples


Question:  Perhaps the increasing use of hybrid methodologies to concentrate adducts followed by specific chemical analyses will allow such adducts to be monitored more precisely .

Answer: concentrate


Question:  Our systematic sample of the inpatient TB population - - in which interviewers visited every hospital room to identify patients willing to participate - - yielded a participation rate of approximately 80 % ( a total of 240 patients ) .

Answer:
sample