Young swimmers gather for a pep talk.
Young swimmers are running laps.
the swimmers can't be running and gathering for a pep talk at the same time.
exists e1 x1 x2 x3 x4.(for(e1,x3) & n_talk(x3) & of(x3,x4) & n_pep(x4) & Actor(e1,x1) & v_gather(e1) & n_swimmer(x1) & (x1 = x2) & ne_nam_young(x2))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_lap(x2) & n_swimmer(x1) & a_young(s1) & Theme(s1,x1))