410
In a briefing at the NRC 's Rockville , Md. , headquarters and in a letter to Sam Rousso , acting of civilian radioactive waste management for the Energy Department , Bernero said study of seismic and volcanic risks needed to be given high priority.
 Organization based in: NRC, Rockville; Organization based in: NRC, Md.; Located in: Rockville, Md.
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
 Entity Pairs:  NRC, Rockville; NRC, Md.; Rockville, Md. 
Answer:
 Organization based in: NRC, Rockville; Organization based in: NRC, Md.; Located in: Rockville, Md.