premise: A man pushing a hand-truck of boxes is bending over to pick up a pear.
hypothesis: A man is pushing a pear and picking up boxes.
explanation_1: The man is either pushing boxes and picking up a pear, or he is picking up boxes and pushing a pear.
explanation_2: A man is either pushing boxes and picking up a pear, or is pushing a pear and picking up boxes. Both cannot be done at the same time.
explanation_3: He is either pushing the pear or the boxes.
premise_logic: exists e3 e2 e1 p1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(Topic(e3,p1) & exists e4 s2 x9.(a_up(s2) & Manner(e4,s2) & Theme(e4,x9) & Actor(e4,x1) & v_pick(e4) & n_pear(x9)) & a_over(s1) & Manner(e3,s1) & Actor(e3,x5) & v_bend(e3) & Theme(e2,x7) & Actor(e2,x6) & v_push(e2) & of(x7,x8) & n_box(x8) & n_hand-truck(x7) & (x5 = x6) & n_man(x5) & Theme(e1,x3) & Actor(e1,x2) & v_push(e1) & of(x3,x4) & n_box(x4) & n_hand-truck(x3) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e2 e1 s1 x1 x2 x3 x4.(a_up(s1) & Manner(e2,s1) & Theme(e2,x4) & Actor(e2,x3) & v_pick(e2) & n_box(x4) & n_man(x3) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & n_pear(x2) & n_man(x1))