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:  Biochemical characterization of MIP - 1 alpha nuclear protein .

Output: nuclear protein


Input: Consider Input:  Mouse thymus was used as a source of glucocorticoid receptor from normal CS lymphocytes .

Output: glucocorticoid receptor


Input: Consider Input:  Studies to date have identified elements 5 ' to the IL - 3 coding sequences that regulate its transcription , but the sequences that confer T cell - specific expression remain to be clearly defined .


Output: IL - 3