933
The cardiac myosin light chain - 2 ( MLC - 2 ) gene promoter contains several positive and negative cis - acting sequences that are involved in the regulation of its expression .
 GENE: cardiac myosin light chain - 2; GENE: MLC - 2
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: cardiac myosin light chain - 2, MLC - 2 
Answer:
 GENE: cardiac myosin light chain - 2; GENE: MLC - 2