Several young people sit at a table playing poker.
Young people are wrestling each other.
The young people can't be playing poker and wrestling at the same time.
exists e1 e2 s1 s2 x1 x2 x3 x4.(at(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_poker(x4) & (x2 = x3) & n_table(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & a_young(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
exists s1 x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_wrestle(e1))) & n_people(x1) & a_young(s1) & Theme(s1,x1))