Two children run towards the lagoon.
The children are about to go swimming.
Just because two children are at a lagoon, doesn't mean that they are going swimming.
exists e1 x1 x2.(n_lagoon(x2) & towards(e1,x2) & Actor(e1,x1) & v_run(e1) & n_child(x1) & card_eq_2(x1))
exists p1 s1 x1.(n_child(x1) & Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_go(e1) & n_swimming(x2)))