Drive is related to Pilot. Pilot is related to Helicopter. Helicopter is a type of Machine. you are likely to find Machine in/at/on Office. 
Trainer is a type of Person. Person does not want (to) Pregnant. Sue can be Pregnant. 
Drive <--RelatedTo--> Pilot <--RelatedTo--> Helicopter --IsA--> Machine --AtLocation--> Office 
Trainer --IsA--> Person --NotDesires--> Pregnant <--HasProperty-- Sue 