premise: A man is cleaning the walkway at an airport.
hypothesis: A man is cleaning at an airport.
explanation_1: Cleaning at an airport is a rephrasing of cleaning the walkway at an airport.
premise_logic: exists e1 x1 x2 x3.(n_walkway(x2) & Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & at(x2,x3) & n_airport(x3) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(at(e1,x2) & n_airport(x2) & Actor(e1,x1) & v_clean(e1) & n_man(x1))
premise_sim: exists e1 x1 x2 x3.(v_clean(e1) & n_walkway(x2) & n_man(x1) & n_airport(x3) & at(x2,x3) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_clean(e1) & n_man(x1) & n_airport(x2) & at(e1,x2) & Actor(e1,x1))