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:  However , the larger native molecular mass of NF - P1 suggests that NF - P1 contains an additional non - DNA - binding subunit ( s ) .
Example Output: NF - P1

Example Input:  Tk mRNA is induced following treatment with estrogen .
Example Output: Tk mRNA

Example Input:  Electrophoretic - mobility - shift assays showed that the core promoter ETS motif binds an Ets - related protein specifically expressed at high levels in CD4 + cells .
Example Output:
core promoter