a girl in red pants riding on a moped.
the girls is nineteen
a girl in red pants riding on a moped does not imply she is nineteen
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & on(e1,x4) & n_mope(x4) & Actor(e1,x3) & v_ride(e1) & (x2 = x3) & n_pants(x2) & a_red(s1) & Theme(s1,x2) & n_girl(x1))
exists e1 x1.(n_girl(x1) & Theme(e1,x1) & v_nineteen(e1))