18182
Hepatotoxicity is one of the major complications of methotrexate ( MTX ) therapy .
 Chemical: methotrexate; Chemical: MTX
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: methotrexate, MTX 
Answer:
 Chemical: methotrexate; Chemical: MTX