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.

Ex Input:
 The mechanism responsible for the delayed nuclear accumulation of phosphorylated STAT3 was examined in detail , focusing on the role of B cell - derived lymphokines .

Ex Output:
phosphorylated STAT3


Ex Input:
 TNF - alpha - related apoptosis - inducing ligand ( TRAIL ) is characterized by its preferential induction of apoptosis of tumor cells but not normal cells .

Ex Output:
TNF - alpha


Ex Input:
 The quantitative analysis showed that erythroid precursor cells were newly produced from the immature myeloid cells by cultivation with IL - 3 .

Ex Output:

IL - 3