29707
A dendritic family that fulfills these requirements is based on the 2 , 2 - bismethylolpropionic acid ( bis - MPA ) monomer .
 Chemical: 2 , 2 - bismethylolpropionic acid; Chemical: bis - MPA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: 2 , 2 - bismethylolpropionic acid; Chemical: bis - MPA