premise: You can see the bottom halves of three boys standing on a sidewalk with silly string sprayed everywhere
hypothesis: The boys are sitting down.
explanation_1: The boys cannot be sitting down and standing at the same time
explanation_2: The boys does not need to refer to 3 boys. The boys cannot be simultaneously sitting down and standing on a side walk.
explanation_3: You can’t be standing and sitting at the same time
premise_logic: exists e1 p1 s1 x1 x2.(n_half(x2) & a_bottom(s1) & Theme(s1,x2) & n_person(x1) & exists e4 e3 e2 s2 x3 x4 x5 x6 x7.(Theme(e4,x2) & Actor(e4,x1) & v_see(e4) & of(x2,x3) & with(e2,x6) & all x8.(n_location(x8) -> Location(e3,x8)) & Theme(e3,x7) & v_spray(e3) & (x6 = x7) & n_string(x6) & a_silly(s2) & Theme(s2,x6) & on(e2,x5) & n_sidewalk(x5) & Actor(e2,x4) & v_stand(e2) & (x3 = x4) & n_boy(x3) & card_eq_3(x3)) & Topic(e1,p1) & Actor(e1,x1) & v_can(e1))
hypothesis_logic: exists e1 s1 x1.(n_boy(x1) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1))