In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Example Input:  These cells were examined for ER mRNA by reverse transcription nested polymerase chain reaction .
Example Output: ER mRNA

Example Input:  The mRNA level of nm23 - H2 was slightly below the normal level .
Example Output: nm23 - H2

Example Input:  The hypothesis of a general abnormality of the IFN - gamma transduction pathway was dismissed .
Example Output:
IFN - gamma