A group of men riding on a green John Deere cart.
A group of men are farming.
Just because  A group of men riding on a green John Deere cart does not mean they are farming.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & on(e1,x4) & n_cart(x4) & (x4 = x6) & ne_geo_deere(x6) & (x4 = x5) & ne_geo_john(x5) & a_green(s1) & Theme(s1,x4) & Actor(e1,x3) & v_ride(e1) & (x2 = x3) & n_man(x2) & n_group(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_farm(e1) & of(x1,x2) & n_man(x2) & n_group(x1))