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:
Roles played by lymphocyte function-associated antigen-1 in the regulation of lymphocytic cholinergic activity.

Ex Output:
lymphocyte function-associated antigen-1


Ex Input:
Selective cyclooxygenase-2 (COX-2) inhibitors and breast cancer risk.

Ex Output:
cyclooxygenase-2


Ex Input:
Characterization of 5-hydroxytryptamine1B receptors in rat spinal cord via [125I]iodocyanopindolol binding and inhibition of [3H]-5-hydroxytryptamine release.

Ex Output:

5-hydroxytryptamine1B