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:
 Determination of eprosartan in human plasma and urine by LC / MS / MS .

Ex Output:
LC


Ex Input:
 The CSF - 1 receptor exerts its biological effects on cells via a range of signaling proteins including Erk1 / 2 and Akt .

Ex Output:
cells


Ex Input:
 In vitro cytotoxic potential and mechanism of action of selected coumarins , using human renal cell lines .

Ex Output:

cell lines