Three men are walking around in an open, stone building that has sand as the floor.
Three men are in an area with sand as the floor.
men are walking around in an open, stone building that has sand as the floor. simply means men are in an area with sand as the floor
exists e1 e2 p1 s1 s2 x1 x2 x3 x4 x5 x6.(n_floor(x6) & in(e1,x2) & Theme(e2,x5) & Actor(e2,x4) & v_have(e2) & as(x5,x6) & n_sand(x5) & (x2 = x4) & n_building(x2) & of(x2,x3) & n_stone(x3) & a_,(s2) & Theme(s2,x2) & a_open(s1) & Theme(s1,x2) & exists s3.(Theme(s3,x1) & a_around(s3)) & Topic(e1,p1) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & card_eq_3(x1))
exists p1 x1 x4.(n_floor(x4) & exists x2 x3.(in(x1,x2) & as(x2,x4) & with(x2,x3) & n_sand(x3) & n_area(x2)) & n_man(x1) & card_eq_3(x1))