premise: A man in a dark shirt and overalls is squatting down on gravel and working on a railroad car.
hypothesis: Several men wearing overalls are working on a railroad car while knelling on gravel
explanation_1: Knelling is another form of squatting.
explanation_2: Squatting down on gravel can be be interpreted as kneeling on grave.
explanation_3: squatting down on gravel is inferred as knelling on gravel.
premise_logic: exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11.(on(e2,x10) & n_car(x10) & of(x10,x11) & n_railroad(x11) & Actor(e2,x6) & v_work(e2) & in(x6,x7) & subset_of(x9,x7) & n_overalls(x9) & subset_of(x8,x7) & n_shirt(x8) & a_dark(s3) & Theme(s3,x8) & n_man(x6) & a_down(s2) & Manner(e1,s2) & on(e1,x5) & n_gravel(x5) & Actor(e1,x1) & v_squat(e1) & in(x1,x2) & subset_of(x4,x2) & n_overalls(x4) & subset_of(x3,x2) & n_shirt(x3) & a_dark(s1) & Theme(s1,x3) & n_man(x1))
hypothesis_logic: exists e3 e1 e2 s1 x1 x2 x3 x4 x5 x6.(while(e2,e3) & on(e3,x6) & n_gravel(x6) & Actor(e3,x1) & v_knell(e3) & on(e2,x4) & n_car(x4) & of(x4,x5) & n_railroad(x5) & Actor(e2,x1) & v_work(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_overalls(x3) & (x1 = x2) & n_man(x1) & a_several(s1) & Theme(s1,x1))