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.

Example Input:  If a sample ' s results met any of these three criteria , then the sample was evaluated as a pathogen .
Example Output: sample

Example Input:  A wide range of binding ( 5 . 9 to 130 pmole / ml plasma ) was observed , and significant elevations were found for patients having breast cancer ( 21 . 2 + / - 1 . 9 , P less than 0 . 05 ) and melanoma ( 25 . 7 + / - 1 . 9 , P less than 0 . 001 ) compared to controls ( 15 . 5 + / - 1 . 9 ) .
Example Output: plasma

Example Input:  Short term prophylaxis : three options are available : attenuated androgens , tranexamic acid or C1Inh concentrate .
Example Output:
concentrate