Unable is related to Blind. Blind is related to Date. Date is related to Christmas. Christmas is related to Form. 
Close is related to Relative. Relative is related to Daughter. Daughter is related to Male. Male is related to Bill. 
Unable <--RelatedTo--> Blind <--RelatedTo--> Date <--RelatedTo--> Christmas <--RelatedTo--> Form 
Close <--RelatedTo--> Relative <--RelatedTo--> Daughter <--RelatedTo--> Male <--RelatedTo--> Bill 