A man in a brown outfit and sandals is sweeping a stone floor.
The worker cleans up the exhibit.
A stone floor does not imply an exhibit.
exists e1 s1 x1 x2 x3 x4 x5 x6.(Theme(e1,x5) & Actor(e1,x1) & v_sweep(e1) & n_floor(x5) & of(x5,x6) & n_stone(x6) & in(x1,x2) & subset_of(x4,x2) & n_sandal(x4) & subset_of(x3,x2) & n_outfit(x3) & a_brown(s1) & Theme(s1,x3) & n_man(x1))
exists e1 s1 x1 x2.(n_exhibit(x2) & n_worker(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_clean(e1))