Date is a type of Supply. Date is related to Like. Like is related to Let. Let is related to Admission. 
Need is related to Wave. Wave is related to Wet. Wet is related to Paint. Paint is related to Coverage. 
Supply <--IsA-- Date <--RelatedTo--> Like <--RelatedTo--> Let <--RelatedTo--> Admission 
Need <--RelatedTo--> Wave <--RelatedTo--> Wet <--RelatedTo--> Paint <--RelatedTo--> Coverage 