15166
The anomalous temperature dependence of KIEs is often rationalized by invoking fast motions to facilitate H - transfer , yet crucially , direct evidence for coupled motions is lacking .
 Chemical: H
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: H