4193
The ability of the expansion mutation to alter accumulation of poly ( A ) + RNA in trans suggests that myotonic dystrophy may be the first example of a dominant - negative mutation manifested at the RNA level . .
 Disease: myotonic dystrophy
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities: myotonic dystrophy 
Answer:
 Disease: myotonic dystrophy