11073
EMS analyses utilizing a series of mutated pp repeat elements demonstrate that the nucleotide sequence requirements for U1 ( U1A/U1B ) and U2 formation are separable from those required for C1-C3 formation .
 DNA: C1-C3; DNA: mutated pp repeat elements; DNA: U1A/U1B; DNA: U2; DNA: U1
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: C1-C3, mutated pp repeat elements, U1A/U1B, U2, U1 
Answer:
 DNA: C1-C3; DNA: mutated pp repeat elements; DNA: U1A/U1B; DNA: U2; DNA: U1