Childhood is derived from Child. Childhood is related to Camp. Camp is related to Log. 
Explanation is related to Answer. Counter is a type of Answer. Counter can be used for Eating. Eating is related to Bear. 
Child <--DerivedFrom-- Childhood <--RelatedTo--> Camp <--RelatedTo--> Log 
Explanation <--RelatedTo--> Answer <--IsA-- Counter --UsedFor--> Eating <--RelatedTo--> Bear 