1250
The aim of the experiment was to evaluate the developmental toxicity of the non - selective ( piroxicam ) and selective ( DFU ; 5 , 5 - dimethyl - 3 - ( 3 - fluorophenyl ) - 4 - ( 4 - methylsulphonyl ) phenyl - 2 ( 5H ) - furanon ) COX - 2 inhibitors .
 Disease: toxicity; Chemical: piroxicam; Chemical: DFU; Chemical: 5 , 5 - dimethyl - 3 - ( 3 - fluorophenyl ) - 4 - ( 4 - methylsulphonyl ) phenyl - 2 ( 5H ) - furanon
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: toxicity, piroxicam, DFU, 5 , 5 - dimethyl - 3 - ( 3 - fluorophenyl ) - 4 - ( 4 - methylsulphonyl ) phenyl - 2 ( 5H ) - furanon 
Answer:
 Disease: toxicity; Chemical: piroxicam; Chemical: DFU; Chemical: 5 , 5 - dimethyl - 3 - ( 3 - fluorophenyl ) - 4 - ( 4 - methylsulphonyl ) phenyl - 2 ( 5H ) - furanon