1664
Furthermore , we notice two potential consensus motifs which are also found in corresponding positions in the genes for the nerve growth factor receptor and the 68 - kDa neurofilament protein .
 GENE: nerve growth factor receptor; GENE: 68 - kDa neurofilament protein
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: nerve growth factor receptor, 68 - kDa neurofilament protein 
Answer:
 GENE: nerve growth factor receptor; GENE: 68 - kDa neurofilament protein