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.

Ex Input:
 These later findings indicate that neither homo - nor heterodimer formation is an absolute prerequisite for I kappa B alpha recognition of p65 .

Ex Output:
I kappa B


Ex Input:
 Our findings rather suggest a TCF - 1 - dependent , cell autonomous effect on the acquisition of multiple Ly - 49 receptors .

Ex Output:
TCF - 1


Ex Input:
 This study expands the understanding of the role of SDF - 1 and TPO in normal human megakaryopoiesis and indicates the molecular basis of the observed differences in cellular responses .

Ex Output:

SDF - 1