premise: A shopper buys cat food at a Walmart
hypothesis: A person shops for their pet at a store.
explanation_1: Cat food is bought at Walmart and a person shops for their pet at a pet store.
explanation_2: A cat is a type of pet, so someone buying food for a cat is shopping for their pet.
explanation_3: A person shops for their pet by buying cat food, which is food for cats.
premise_logic: exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & at(x2,x4) & ne_org_walmart(x4) & n_food(x2) & of(x2,x3) & n_cat(x3) & n_shopper(x1))
hypothesis_logic: exists x1 x2 x3 x4.(a_topic(x1) & for(x1,x3) & at(x3,x4) & n_store(x4) & n_pet(x3) & of(x3,x1) & n_thing(x1) & Time(x1,x2) & n_shop(x2) & n_person(x1))