27981
Phytochemical investigation of the fresh tubers of Ophiopogon japonicus led to the isolation of two new furostanol saponins ( 1 and 2 ) together with two known steroidal saponins ( 3 and 4 ) .
 Chemical: furostanol; Chemical: saponins; Chemical: steroidal saponins
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: furostanol, saponins, steroidal saponins 
Answer:
 Chemical: furostanol; Chemical: saponins; Chemical: steroidal saponins