A man taking a photograph of the ceiling.
A guy is taking a picture of a mountain.
It cannot be inferred that the man is talking a photograph of a mountain.
exists e1 x1 x2 x3 x4.(n_ceiling(x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & of(x3,x4) & n_photograph(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & of(x2,x3) & n_mountain(x3) & n_picture(x2) & n_guy(x1))