5120
Animals were randomly divided into four groups : those administered 1 % Tween 80 ( control ) , those administered artemether ( 4 mg / kg body weight ) , those administered lumefantrine ( 24 mg / kg body weight ) , and those coadministered artemether ( 4 mg / kg body weight ) and lumefantrine ( 24 mg / kg body weight ) .
 Chemical: Tween 80; Chemical: artemether; Chemical: lumefantrine; Chemical: artemether; Chemical: lumefantrine
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: Tween 80; Chemical: artemether; Chemical: lumefantrine; Chemical: artemether; Chemical: lumefantrine