27074
Vandetanib ( Caprelsa ( (R) ) , AstraZeneca ) is a once - daily oral tyrosine kinase inhibitor that selectively inhibits signalling mediated by growth - factor receptor tyrosine kinase RET ( constitutively activated in roughly 60 % of all MTCs ) , vascular endothelial growth - factor receptors 2 and 3 , and epidermal growth - factor receptors .
 Chemical: Vandetanib; Chemical: Caprelsa; Chemical: tyrosine; Chemical: tyrosine
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: Vandetanib, Caprelsa, tyrosine, tyrosine 
Answer:
 Chemical: Vandetanib; Chemical: Caprelsa; Chemical: tyrosine; Chemical: tyrosine