Volleyball players compete on a sunny day at the beach.
Soccer players compete at an indoor arena.
Volleyball players and soccer players are two different types of players. The players can't be competing on a sunny day at the beach and in an indoor arena at the same time.
exists e1 s1 x1 x2 x3 x4.(n_beach(x4) & at(e1,x4) & on(e1,x3) & n_day(x3) & a_sunny(s1) & Theme(s1,x3) & Actor(e1,x1) & v_compete(e1) & n_player(x1) & (x1 = x2) & ne_nam_volleyball(x2))
exists e1 s1 x1 x2 x3.(at(e1,x3) & n_arena(x3) & a_indoor(s1) & Theme(s1,x3) & Actor(e1,x1) & v_compete(e1) & n_player(x1) & (x1 = x2) & ne_nam_soccer(x2))