A group of bike riders are riding in an athletic event.
Bike riders are eating sandwiches in the middle of the woods.
they are riding they cant also be eating sandwiches
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_event(x4) & a_athletic(s1) & Theme(s1,x4) & Actor(e1,x1) & v_ride(e1) & of(x1,x2) & n_rider(x2) & of(x2,x3) & n_bike(x3) & n_group(x1))
exists e1 x1 x2 x3 x4 x5.(n_wood(x5) & n_middle(x4) & in(e1,x4) & of(x4,x5) & Theme(e1,x3) & Actor(e1,x1) & v_eat(e1) & n_sandwich(x3) & n_rider(x1) & (x1 = x2) & ne_nam_bike(x2))