13638
Ni shows the lowest overpotential for the onset of sorbitol formation ( - 0 . 25 V ) whereas Pb generates sorbitol with the highest yield ( < 0 . 7 mM cm ( - 2 ) ) .
 Chemical: Ni; Chemical: sorbitol; Chemical: Pb; Chemical: sorbitol
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: Ni; Chemical: sorbitol; Chemical: Pb; Chemical: sorbitol