1013
Self or foreign cellular proteins provide peptides for presentation by major histocompatibility complex ( MHC ) class I molecules on the surface of antigen presenting cells ( APC ) .
 GENE: major histocompatibility complex ( MHC ) class I molecules
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: major histocompatibility complex ( MHC ) class I molecules