Half is related to Paint. Paint is related to Coverage. Coverage is derived from Cover. 
Beg is related to Request. Request is a type of Message. Message is related to Paper. Paper is related to Rock. 
Half <--RelatedTo--> Paint <--RelatedTo--> Coverage --DerivedFrom--> Cover 
Beg <--RelatedTo--> Request --IsA--> Message <--RelatedTo--> Paper <--RelatedTo--> Rock 