There is a crowd of people in the street and some are taking pictures of a mask.
There is a small group of people looking at a tree.
The people can't be looking at a tree while looking at a mask.
exists e1 p1 x1 x2 x3 x4 x7.(n_street(x7) & of(e1,x4) & n_mask(x4) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & n_picture(x3) & n_thing(x2) & exists x5 x6.((x1 = x5) & in(x5,x7) & of(x5,x6) & n_people(x6) & n_crowd(x5)))
exists p1 x1 e1 s1 x2 x3 x4 x5.((x1 = x2) & of(x2,x3) & at(e1,x5) & n_tree(x5) & Actor(e1,x4) & v_look(e1) & (x3 = x4) & n_people(x3) & n_group(x2) & a_small(s1) & Theme(s1,x2))