A bird takes off, surrounded by large rocks
A bird is flying east
No evidence of the direction the bird if flying. Large rocks do not usually surround a bird or take off with it.
exists e2 e1 s1 s2 x1 x2.(for(e1,e2) & Actor(e2,x2) & n_rock(x2) & a_large(s2) & Theme(s2,x2) & Theme(e2,x1) & v_surround(e2) & a_off(s1) & Manner(e1,s1) & Actor(e1,x1) & v_take(e1) & n_bird(x1))
exists e1 s1 x1.(a_east(s1) & Manner(e1,s1) & Actor(e1,x1) & v_fly(e1) & n_bird(x1))