8494
Expression and characterization of recombinant single - chain Fv and Fv fragments derived from a set of catalytic antibodies .
 GENE: recombinant single - chain Fv; GENE: Fv fragments
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: recombinant single - chain Fv, Fv fragments 
Answer:
 GENE: recombinant single - chain Fv; GENE: Fv fragments