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:  In B - lymphoblastoid cell lines derived from two independent class II - deficient bare lymphocyte syndrome patients , we observed a drastic decrease in transcription rates of the class II genes .
Example Output: class II genes

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:  Some cell fractions were also positive for Mac - 1 , a macrophage marker or Gr - 1 , a granulocytic maker , but negative for an erythroid marker TER119 .
Example Output:
erythroid marker TER119