981
Furthermore, transcripts of PEBP2 alpha A and mouse AML1/ PEBP2 alpha B were detected in T lymphocytes in the thymuses from day 16 embryos and newborns , as well as 4-week-old adult mice , by in situ hybridization .
 protein: mouse AML1/ PEBP2 alpha B; protein: PEBP2; protein: PEBP2; cell type: T lymphocytes; protein: PEBP2 alpha A
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: mouse AML1/ PEBP2 alpha B, PEBP2, PEBP2, T lymphocytes, PEBP2 alpha A 
Answer:
 protein: mouse AML1/ PEBP2 alpha B; protein: PEBP2; protein: PEBP2; cell type: T lymphocytes; protein: PEBP2 alpha A