A man and a woman, both dressed in blue, are laying tile.
Some people are working on the floor.
Just because a man and a woman are laying tile does not mean they are working on the floor.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7.(Theme(e2,x7) & Actor(e2,x1) & v_lay(e2) & n_tile(x7) & subset_of(x3,x1) & rel(x3,x4) & Theme(e1,s1) & Theme(s1,x6) & a_blue(s1) & Theme(e1,x5) & v_dress(e1) & (x4 = x5) & n_thing(x4) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 x1 x2.(n_floor(x2) & on(e1,x2) & Actor(e1,x1) & v_work(e1) & n_people(x1))