Happen is related to Possible. Possible is related to Likely. Likely is related to May. May is related to Ask. 
you are likely to find Fan in/at/on South. South is related to Country. 
Happen <--RelatedTo--> Possible <--RelatedTo--> Likely <--RelatedTo--> May <--RelatedTo--> Ask 
Fan --AtLocation--> South <--RelatedTo--> Country 