Men transporting blocks of ice.
Ice blocks are in a truck.
Ice blocks don't have to be transported in a truck.
exists e1 x1 x2 x3.(ne_nam_men(x1) & Theme(e1,x2) & Actor(e1,x1) & v_transport(e1) & of(x2,x3) & n_ice(x3) & n_block(x2))
exists p1 x1 x2.(exists x3.(in(x1,x3) & n_truck(x3)) & n_block(x1) & (x1 = x2) & ne_nam_ice(x2))