Three young adults building a large sand castle at the beach.
The adults are building a snowman.
One cannot build a snowman and a sand castle simultaneously.
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_beach(x5) & a_topic(x1) & at(e1,x5) & Theme(e1,x3) & Actor(e1,x2) & v_build(e1) & n_castle(x3) & of(x3,x4) & n_sand(x4) & a_large(s2) & Theme(s2,x3) & (x1 = x2) & n_adult(x1) & a_young(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 x1 x2.(n_adult(x1) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_snowman(x2))