Pickup is related to Sound. Sound is a type of Valid. Valid is a synonym of Available. 
Canvas can be used for Paint. Canvas is related to Sail. Weather is a type of Sail. Wave is a type of Weather. 
Pickup <--RelatedTo--> Sound --IsA--> Valid <--Synonym--> Available 
Paint <--UsedFor-- Canvas <--RelatedTo--> Sail <--IsA-- Weather <--IsA-- Wave 