Carrot is a type of Reward. Reward is a type of Act. Stay is a type of Act. 
you are likely to find Vessel in/at/on Home. you are likely to find Basket in/at/on Home. you are likely to find Basket in/at/on Museum. 
Carrot --IsA--> Reward --IsA--> Act <--IsA-- Stay 
Vessel --AtLocation--> Home <--AtLocation-- Basket --AtLocation--> Museum 