1532
OSHA had already filed numerous civil charges against the S.A. Healy Co. of McCook , Ill. , the tunnel contractor , and CH2M Hill of Corvallis , Ore. , an engineering firm that supervised the work.
 Organization based in: S.A. Healy Co., McCook; Organization based in: S.A. Healy Co., Ill.; Located in: McCook, Ill.; Organization based in: CH2M Hill, Corvallis; Organization based in: CH2M Hill, Ore.; Located in: Corvallis, Ore.
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:  S.A. Healy Co., McCook; S.A. Healy Co., Ill.; McCook, Ill.; CH2M Hill, Corvallis; CH2M Hill, Ore.; Corvallis, Ore. 
Answer:
 Organization based in: S.A. Healy Co., McCook; Organization based in: S.A. Healy Co., Ill.; Located in: McCook, Ill.; Organization based in: CH2M Hill, Corvallis; Organization based in: CH2M Hill, Ore.; Located in: Corvallis, Ore.