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:
 Uptake of colicins required different domains in TonB , for colicin B and M around residue 160 and for colicin Ia , a domain closer to the C - terminal end .

Ex Output:
colicin Ia


Ex Input:
 PCC 6803 mutant impaired in cytochrome c maturation .

Ex Output:
cytochrome c


Ex Input:
 Because c - myb encodes a transcriptional activator that functions via DNA binding , it is likely that c - myb exerts its biological activity by regulating the transcription of genes required for DNA synthesis and cell cycle progression .

Ex Output:

c - myb