112800
It consists of nuclear fuel , fission products , control rod s , structural materials from the affected parts of the reactor , products of their chemical reaction with air , water and steam , and , in case the reactor vessel is breached , molten concrete from the floor of the reactor room .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None