3292
Comparison of cDNA and genomic sequences reveals a 4-exon structure characteristic of the FOS family of genes .
 DNA: cDNA; DNA: 4-exon structure; DNA: FOS family of genes; DNA: genomic sequences
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: cDNA, 4-exon structure, FOS family of genes, genomic sequences 
Answer:
 DNA: cDNA; DNA: 4-exon structure; DNA: FOS family of genes; DNA: genomic sequences