premise: A youngster straddles a small makeshift bench while his companion plays in the doorway nearby.
hypothesis: A kid falls off a staircase
explanation_1: The kid can't straddle a bench while falling off the stairs.
explanation_2: The youngster either straddles a bench or falls off a staircase.
explanation_3: There is a youngster and his companion in the first sentence and one kid in the second sentence.
premise_logic: exists e1 p1 s1 x1 x2 x3 x4 x5.(n_doorway(x5) & exists e2 s2.(a_nearby(s2) & Manner(e2,s2) & in(e2,x5) & Actor(e2,x4) & v_play(e2)) & n_companion(x4) & of(x4,x1) & n_male(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_straddle(e1) & n_bench(x2) & of(x2,x3) & n_makeshift(x3) & a_small(s1) & Theme(s1,x2) & n_youngster(x1))
hypothesis_logic: exists e1 s1 x1 x2.(a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_staircase(x2) & n_kid(x1))