Group of children playing pin the tail on the donkey at a relay.
There are children swimming a pool.
Children playing at a relay cannot be swimming a pool at the same time.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_donkey(x5) & n_tail(x4) & ne_org_group(s1) & a_topic(s1) & of(s1,x1) & at(e1,x6) & n_relay(x6) & on(e1,x5) & Time(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_pin(x3) & (x1 = x2) & n_child(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_swim(e1) & n_pool(x4) & (x2 = x3) & n_child(x2))