23193
The first most important principal component ( PC ) was strongly associated with the value of Al , B , Cd and Co .
 Chemical: Al; Chemical: B; Chemical: Cd; Chemical: Co
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: Al; Chemical: B; Chemical: Cd; Chemical: Co