1625
High levels of arachidonic acid and peroxisome proliferator - activated receptor - alpha in breast cancer tissues are associated with promoting cancer cell proliferation .
 Chemical: arachidonic acid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: arachidonic acid