premise: A person sweeping stairs in a park.
hypothesis: A groundskeeper at a park
explanation_1: The person sweeping must not be a groundskeeper.
explanation_2: It cannot be implied that a park has stairs.
explanation_3: Not all the persons sweeping stairs in a park are groundskeeper (it could be a café owner sweeping the stairs gaining access to his cafe)
premise_logic: exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_park(x3) & n_sweeping(x1) & Time(x1,x2) & n_stair(x2) & n_person(x1))
hypothesis_logic: exists x1 x2.(a_topic(x1) & at(x1,x2) & n_park(x2) & n_groundskeeper(x1))
premise_sim: exists x1 x2 x3.(n_sweeping(x1) & n_stair(x2) & n_person(x1) & n_park(x3) & in(x1,x3) & a_topic(x1) & Time(x1,x2))
hypothesis_sim: exists x1 x2.(n_park(x2) & n_groundskeeper(x1) & at(x1,x2) & a_topic(x1))