7567
The rupture force mapping results measured on these binary mixture samples also confirmed unambiguously the formation of DPPC - DPPC gel domain components during the contrast change .
 Chemical: DPPC; Chemical: DPPC
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: DPPC, DPPC 
Answer:
 Chemical: DPPC; Chemical: DPPC