A person in midair doing a flip along the beach
The child is building a sandcastle.
A person in midair doing a flip is not a child building a sandcastle.
exists e1 x1 x2 x3 x4 x5.(n_beach(x5) & a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & along(x4,x5) & n_flip(x4) & (x1 = x3) & in(x1,x2) & n_midair(x2) & n_person(x1))
exists e1 x1 x2.(n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_sandcastle(x2))