A group of children and adults play in a pool on a sunny day.
Ice skating during the winter.
People cannot play in a pool on a sunny day simultaneously with ice skating during the winter.
exists s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & of(x1,x2) & subset_of(x4,x2) & on(x4,x7) & n_day(x7) & a_sunny(s1) & Theme(s1,x7) & in(x4,x6) & n_pool(x6) & n_play(x4) & of(x4,x5) & n_adult(x5) & subset_of(x3,x2) & n_child(x3) & n_group(x1))
exists e1 x1 x2.(n_winter(x2) & ne_nam_ice(x1) & during(e1,x2) & Actor(e1,x1) & v_skate(e1))