4112
Paclitaxel / cisplatin is an effective first - line regimen for locoregionally advanced head and neck cancer and continued study is warranted .
 Chemical: Paclitaxel; Chemical: cisplatin; Disease: head and neck cancer
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: Paclitaxel, cisplatin, head and neck cancer 
Answer:
 Chemical: Paclitaxel; Chemical: cisplatin; Disease: head and neck cancer