The little girl wearing a red shirt is walking through the grass.
The little girl is trying to catch a butterfly.
Walking through the grass does not imply trying to catch a butterfly.
exists e1 e2 s1 s2 x1 x2 x3 x4.(n_grass(x4) & n_girl(x1) & a_little(s1) & Theme(s1,x1) & through(e2,x4) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_red(s2) & Theme(s2,x3) & (x1 = x2))
exists e1 p1 s1 x1.(n_girl(x1) & a_little(s1) & Theme(s1,x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_butterfly(x2)))