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:
Regulation of cellular retinoic acid binding protein ( CRABP II ) during human monocyte differentiation in vitro .

Ex Output:
CRABP II

Ex Input:
The relative volume of the tubulointerstitium was measured by an image analyzer ; deposition of collagen types III and IV and monocyte / macrophage infiltration were histologically examined using specific antibodies .

Ex Output:
specific antibodies

Ex Input:
Transcriptional regulation by C / EBP alpha and - beta in the expression of the gene for the MRP14 myeloid calcium binding protein .

Ex Output:
C / EBP