premise: People shopping at the marketplace.
hypothesis: People are shopping for groceries.
explanation_1: A marketplace sells more than groceries.
explanation_2: People can shop anything at market place, not groceries only.
explanation_3: People at the marketplace are not necessarily shopping for groceries.
premise_logic: exists x1 x2 x3.(n_marketplace(x3) & a_topic(x1) & at(x1,x3) & n_shopping(x1) & of(x1,x2) & n_people(x2))
hypothesis_logic: exists e1 x1 x2.(for(e1,x2) & n_grocery(x2) & Actor(e1,x1) & v_shop(e1) & n_people(x1))