you are likely to find Potato in/at/on Bag. you are likely to find Body in/at/on Bag. Body is related to Mind. Mind is related to Thought. 
Gaze is a type of Look. Observation is a type of Look. Observation is a type of Remark. 
Potato --AtLocation--> Bag <--AtLocation-- Body <--RelatedTo--> Mind <--RelatedTo--> Thought 
Gaze --IsA--> Look <--IsA-- Observation --IsA--> Remark 