A girl sitting on a rock in the middle of a body of water
A girl swims out to the middle of the lake.
Sitting on a rock does not imply she swims.
exists e1 x1 x2 x3 x4 x5 x6.(n_middle(x4) & a_topic(x1) & in(e1,x4) & of(x4,x5) & of(x5,x6) & n_water(x6) & n_body(x5) & on(e1,x3) & n_rock(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_girl(x1))
exists e1 s1 x1 x2 x3.(n_lake(x3) & n_middle(x2) & a_out(s1) & Manner(e1,s1) & to(e1,x2) & of(x2,x3) & Actor(e1,x1) & v_swim(e1) & n_girl(x1))