664
Removal of ink4a dramatically reduces the lymphoid and neurological defects seen in bmi - 1 - deficient mice , indicating that ink4a is a critical in vivo target for Bmi - 1 .
 GENE: ink4a; GENE: bmi - 1; GENE: ink4a; GENE: Bmi - 1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: ink4a; GENE: bmi - 1; GENE: ink4a; GENE: Bmi - 1