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In this study we investigated the intersection between TLR4 - mediated inflammatory signaling and saturated fatty acids with regard to ceramide generation .
 Chemical: saturated fatty acids; Chemical: ceramide
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: saturated fatty acids; Chemical: ceramide