1085
In this study , we have cloned a region that complements the exoenzyme S - deficient phenotype of strain 388 exs1 : : Tn1 , a chromosomal Tn1 insertional mutation .
 GENE: exoenzyme S; GENE: exs1; GENE: Tn1; GENE: chromosomal Tn1 insertional mutation
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: exoenzyme S, exs1, Tn1, chromosomal Tn1 insertional mutation 
Answer:
 GENE: exoenzyme S; GENE: exs1; GENE: Tn1; GENE: chromosomal Tn1 insertional mutation