A crossing guard wearing a hat.
The crossing guard is taking precautions against the weather.
Taking precautions does not mean wearing a hat.
exists e2 e1 x1 x2 x3.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & n_hat(x3) & (x1 = x2) & n_guard(x1) & Actor(e1,x1) & v_cross(e1))
exists e1 e2 x1 x2 x3.(n_weather(x3) & n_guard(x1) & Actor(e1,x1) & v_cross(e1) & against(e2,x3) & Theme(e2,x2) & Actor(e2,x1) & v_take(e2) & n_precaution(x2))