A boy skips a rock in a creek.
The boy is outside.
"Skips a rock in a creek" implies being "outside".
exists e1 x1 x2 x3.(in(e1,x3) & n_creek(x3) & Theme(e1,x2) & Actor(e1,x1) & v_skip(e1) & n_rock(x2) & n_boy(x1))
exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_outside(s1))