1961
While determination of the protein content of the formulae gave no valid information , RAST / EAST inhibition was highest for cow ' s milk , followed by the partially hydrolysed whey formula , partially hydrolysed whey / casein formula , soy / pork collagen formula , and the amino acid formula .
 GENE: casein; GENE: soy / pork collagen
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: casein; GENE: soy / pork collagen