Dig is a type of Remove. Mine entails/necessarily involves Dig. Mine can be used for Explode. 
Mountain is related to Dirt. Dirt is related to Road. Road is related to Man. Man is related to Beard. 
Remove <--IsA-- Dig <--Entails-- Mine --UsedFor--> Explode 
Mountain <--RelatedTo--> Dirt <--RelatedTo--> Road <--RelatedTo--> Man <--RelatedTo--> Beard 