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.

Example Input: Aspirin and sodium salicylate inhibit endothelin ETA receptors by an allosteric type of mechanism.
Example Output: ETA receptors

Example Input: Induction of heat shock proteins (HSPs) by sodium arsenite in cultured astrocytes and reduction of hydrogen peroxide-induced cell death.
Example Output: heat shock proteins

Example Input: Therapeutic targets in melanoma: map kinase pathway.
Example Output:
map kinase