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.

Input: Consider Input:  The RTI40 gene spans 35 kilobase pairs ; it contains 6 exons and at least 6 rat Identifier repetitive elements .

Output: RTI40 gene


Input: Consider Input:  Inhibition of Raf - 1 signaling by a monoclonal antibody , which interferes with Raf - 1 activation and with Mek substrate binding .

Output: Raf - 1


Input: Consider Input:  Reactive mesothelial cells , usually seen as exfoliated cells , were consistently strongly positive for alpha 1 - antichymotrypsin and more variably for alpha 1 - antitrypsin and lysozyme .


Output: alpha 1