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: Maqui berry (Aristotelia chilensis) and the constituent delphinidin glycoside inhibit photoreceptor cell death induced by visible light.
Example Output: photoreceptor

Example Input: Loss of beta-adrenoceptor response in myocytes overexpressing the Na+/Ca(2+)-exchanger.
Example Output: beta-adrenoceptor

Example Input: Decreased histamine H1 receptor binding in the brain of depressed patients.
Example Output:
histamine H1 receptor