667
The co - primary endpoint of being pain free at 2 h was also in favor of rizatriptan .
 Disease: pain; Chemical: rizatriptan
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: pain, rizatriptan 
Answer:
 Disease: pain; Chemical: rizatriptan