premise: A construction worker peeking out of a manhole while his coworker sits on the sidewalk smiling.
hypothesis: The workers are both inside the manhole.
explanation_1: The coworker is sitting on the sidewalk and cannot be inside the manhole too.
explanation_2: Either one construction worker is in the manhole while his coworker is outside the manhole, or both workers are inside the manhole.
explanation_3: Both workers cannot be inside the manhole while one worker peeks out of the manhole and his coworker sits on the sidewalk.
premise_logic: exists e1 p1 x1 x2 x3 x4 x5 x6.(n_sidewalk(x6) & a_topic(x1) & exists e3 e2.(for(e2,e3) & Actor(e3,x5) & v_smile(e3) & on(e2,x6) & Actor(e2,x5) & v_sit(e2)) & n_coworker(x5) & of(x5,x1) & n_male(x1) & while(e1,p1) & r_out(e1) & of(e1,x4) & n_manhole(x4) & Actor(e1,x3) & v_peek(e1) & (x1 = x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
hypothesis_logic: exists p1 s1 x1 x2.(n_manhole(x2) & n_worker(x1) & a_both(s1) & Manner(p1,s1) & inside(x1,x2))