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.

Ex Input:
 Lactotransferrin binding to its platelet receptor inhibits platelet aggregation .

Ex Output:
platelet


Ex Input:
 Human platelets express two cell surface G - protein - coupled protease - activated receptors ( PARs ) for thrombin : PAR - 1 and PAR - 4 .

Ex Output:
platelets


Ex Input:
 Overexpression of SLAP - 2 in bone marrow macrophages partially suppressed the CSF - 1 - induced tyrosine phosphorylation and / or expression level of a approximately 80 kDa protein without affecting CSF - 1 - induced global tyrosine phosphorylation , or activation of Akt or Erk1 / 2 .

Ex Output:

macrophages