3600
The relative instability of Rh ( CO ) is analogous to the tendency of Ru ( CO ) to convert to Ru ( CO ) .
 location: CO; location: CO
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: CO; location: CO