9956
These chalcones also showed reduction in parasitemia and increased survival time of Swiss mice infected with Plasmodium yoelii ( strain N - 67 ) .
 Chemical: chalcones
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: chalcones