Contact is a type of Representative. Representative is related to Agency. Agency is a synonym of Representation. Representation is a synonym of Image. 
you are likely to find Pain in/at/on Back. Pain is related to Period. Period is related to Month. 
Contact --IsA--> Representative <--RelatedTo--> Agency <--Synonym--> Representation <--Synonym--> Image 
Back <--AtLocation-- Pain <--RelatedTo--> Period <--RelatedTo--> Month 