Liquid can Boil. Boil is a synonym of Bake. Oven can Bake. 
Understand is related to Get. Guess is etymologically related to Get. Scientist does not want (to) Guess. Astronomer is a type of Scientist. 
Liquid --CapableOf--> Boil <--Synonym--> Bake <--CapableOf-- Oven 
Understand <--RelatedTo--> Get <--EtymologicallyRelatedTo-- Guess <--NotDesires-- Scientist <--IsA-- Astronomer 