In this task, you will be given sentences in which you have to recognize the name of the body cells. A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Although there might be several correct answers, you need to write one of them.

Example Input:  Our panel of specific PTPase primers should be very useful for semiquantitatively assessing the repertoire of PTPases expressed by cells .
Example Output: cells

Example Input:  Particularly Egr1 ( Fig . 6B ) and Egr2 ( Fig . 6C ) mRNA levels were almost identical when comparing neurons treated with BDNF alone and neurons with BDNF and ephrin - A5 together .
Example Output: neurons

Example Input:  The role of interleukin 1 ( IL 1 ) in human antigen - specific T cell proliferation was examined .
Example Output:
T cell