7403
Human acid ceramidase ( ( AC ) N - acylsphingosine amidohydrolase , EC 3 . 5 .
 Human acid ceramidase, ( AC ) N - acylsphingosine amidohydrolase, EC 3 . 5
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Human acid ceramidase, ( AC ) N - acylsphingosine amidohydrolase, EC 3 . 5