A man in a safety helmet is riding an ATV very fast.
A man with a hardhat is riding a vehicle quickly.
The man is in a hardhat because he is in a safety helmet.
exists e1 s1 x1 x2 x3 x4.(r_very(e1) & a_fast(s1) & Manner(e1,s1) & Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & ne_org_atv(x4) & in(x1,x2) & n_helmet(x2) & of(x2,x3) & n_safety(x3) & n_man(x1))
exists e1 s1 x1 x2 x3.(a_quickly(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_vehicle(x3) & with(x1,x2) & n_hardhat(x2) & n_man(x1))