A person on an all-terrain vehicle, sending up clouds of dust.
Four wheeling in the dirt.
IT IS NOT A FACT THAT THE ALL-TERRAIN VEHICLE IS A FOUR WHEELER OR IF THE PERSON IS FOUR WHEELING IN THE DIRT.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x2) & a_up(s2) & Manner(e1,s2) & Theme(e1,x4) & Actor(e1,x3) & v_send(e1) & of(x4,x5) & n_dust(x5) & n_cloud(x4) & (x2 = x3) & n_vehicle(x2) & a_all-terrain(s1) & Theme(s1,x2) & n_person(x1))
exists x1 x2.(n_dirt(x2) & a_topic(x1) & in(x1,x2) & n_wheeling(x1) & card_eq_4(x1))