The girl in a pink shirt jumps high over the grass.
A girl jumps.
Girl and jumps are the subject and verb of sentence 1.
exists e1 p1 s1 x1 x2 x3.(n_grass(x3) & n_girl(x1) & over(e1,x3) & exists s2.(Theme(s2,x1) & a_high(s2)) & Topic(e1,p1) & Actor(e1,x1) & v_jump(e1) & in(x1,x2) & n_shirt(x2) & a_pink(s1) & Theme(s1,x2))
exists x1 x2.(a_topic(x1) & n_jump(x1) & of(x1,x2) & n_girl(x2))