Doll is related to Football. Football is related to Receiver. Receiver is related to Ear. 
Female is related to Dad. Dad is related to Relative. Relative is related to Cold. Virus can cause/lead to Cold. 
Doll <--RelatedTo--> Football <--RelatedTo--> Receiver <--RelatedTo--> Ear 
Female <--RelatedTo--> Dad <--RelatedTo--> Relative <--RelatedTo--> Cold <--Causes-- Virus 