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: The c - Jun delta - domain inhibits neuroendocrine promoter activity in a DNA sequence - and pituitary - specific manner .

Output: c - Jun

Input: Consider Input: HNF4alpha7 mRNA is also found in totipotent embryonic stem cells .
Output: HNF4alpha7 mRNA