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:
 Four of these fibroblast clones were infected with a retrovirus containing the cDNA encoding myoD and a puromycin selection marker .

Ex Output:
cDNA encoding myoD


Ex Input:
 A surge in the rate of ascorbyl radical production , directly correlated with oxyradical stress and an abrupt fall in superoxide dismutase activity in the granuloma , indicates ' switching on ' of a free radical - dependent machinery for the formation of granuloma after vasectomy .

Ex Output:
superoxide dismutase


Ex Input:
 These results induce that the putative TATA box and initiator are not involved in the promoter activity , and that the vitronectin promoter lacks the TATA box , initiator and GC box .

Ex Output:

vitronectin promoter