you are likely to find Student in/at/on Bed. 
Okay is a synonym of Approve. Approve is a synonym of Consent. Consent is related to Rape. Rape is a synonym of Assault. 
Bed <--AtLocation-- Student 
Okay <--Synonym--> Approve <--Synonym--> Consent <--RelatedTo--> Rape <--Synonym--> Assault 