Bicycle riders vie for position.
The cyclists are taking a break.
Cyclists cannot vie for position and be taking a break at the same time.
exists e1 x1 x2 x3.(for(e1,x3) & n_position(x3) & Actor(e1,x1) & v_vie(e1) & n_rider(x1) & (x1 = x2) & ne_nam_bicycle(x2))
exists e1 x1 x2.(n_cyclist(x1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_break(x2))