28959
The LPS molecule consists of lipid A , which anchors the LPS within the OM , a core polysaccharide region and a variable O - antigen polysaccharide chain .
 Chemical: lipid A
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: lipid A