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:  It was found that 98 % of the cells were vimentin positive and also positive for a monoclonal antibody against specific fibroblast antigen ( clone ASO2 , Dianova , Hamburg , Germany ) .
Example Output: fibroblast

Example Input:  The reaction mix was transformed in E . coli chemically competent cells as described above .
Example Output: competent cells

Example Input:  In agreement with previous results ( Fig . 4 ) , in mock - electroporated neurons , ephrin - A5 incubation reduced the BDNF - mediated up - regulation of c - fos ( Fig . 6A ) , Egr1 ( Fig . 6B ) , Egr2 ( Fig . 6C ) and Arc ( Fig . 6D ) mRNA .
Example Output:
neurons

