28926
In support of this observation , elongation can be reversed by the tyrosine kinase inhibitor SU5402 , mRNA for the FGFR antagonist sprouty4 , or FGF8 morpholino .
 Chemical: SU5402
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: SU5402 
Answer:
 Chemical: SU5402