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:  Steady - state levels of murine MMR mRNA were measured in the macrophage cell line J774E , which is known to express the protein at the cell surface .
Example Output: murine MMR mRNA

Example Input:  This distinct biochemical difference between STAT5A and STAT5B was confirmed with purified activated STAT5 recombinant proteins .
Example Output: STAT5 recombinant proteins

Example Input:  Activation of the mitogen - activated protein kinase ( MAPK ) pathway enhances long - range transactivation by the beta - globin locus control region ( LCR ) ( W .
Example Output:
beta - globin