The lady in red is sitting in front of the fountain.
The sad lady in red is sitting in front of the fountain.
There is no indication that the lady is sad
exists e1 x1 x2 x3 x4.(n_fountain(x4) & n_lady(x1) & in(e1,x3) & of(x3,x4) & n_front(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_red(x2))
exists e1 s1 x1 x2 x3 x4.(n_fountain(x4) & n_lady(x1) & a_sad(s1) & Theme(s1,x1) & in(e1,x3) & of(x3,x4) & n_front(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_red(x2))