20985
The correlations ( r ( 2 ) ) between membrane and diffusion cell data from saturated and unsaturated concentrations were 0 . 38 , 0 . 47 and 0 . 56 for the Strat - M (TM) , certramide and IPM membranes , respectively .
 Chemical: certramide; Chemical: IPM
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: certramide, IPM 
Answer:
 Chemical: certramide; Chemical: IPM