premise: 4 people are lying down stacked on top of one another on a white sheet placed on the ground.
hypothesis: 4 people are lying down together on a white sheet.
explanation_1: The people are together because they are stacked on top of one another.
explanation_2: 4 people are lying down and they be stacked on top of one another means lying down together on a white sheet as part of the total description on the ground.
explanation_3: lying down stacked can be inferred as  lying down together .
premise_logic: exists e1 e3 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_ground(x6) & for(e1,e2) & on(e2,x4) & on(e3,x6) & Theme(e3,x5) & v_place(e3) & (x4 = x5) & n_sheet(x4) & a_white(s3) & Theme(s3,x4) & on(e2,x2) & of(x2,x3) & n_thing(x3) & card_eq_1(x3) & a_another(s2) & Theme(s2,x3) & n_top(x2) & Theme(e2,x1) & v_stack(e2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_lie(e1) & n_people(x1) & n_date(x1) & a_date_day_04(x1) & a_date_day_04(x1))
hypothesis_logic: exists e1 s1 s2 s3 x1 x2.(on(e1,x2) & n_sheet(x2) & a_white(s3) & Theme(s3,x2) & a_together(s2) & Manner(e1,s2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_lie(e1) & n_people(x1) & n_date(x1) & a_date_day_04(x1) & a_date_day_04(x1))