you are likely to find Bench in/at/on Lawn. Lawn is related to Park. 
Astronomer is a type of Scientist. Scientist does not want (to) Guess. Guess is etymologically related to Get. 
Bench --AtLocation--> Lawn <--RelatedTo--> Park 
Astronomer --IsA--> Scientist --NotDesires--> Guess --EtymologicallyRelatedTo--> Get 