Three little boys on a float in a river.
The boys are going on an adventure against their parent's wishes.
Just because boys are in a river without parents or adults doesn't mean they are going on an adventure against there parent's wishes.
exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x2) & in(x2,x3) & n_river(x3) & n_float(x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 x1 x2 x3 x4.(n_wish(x4) & of(x4,x3) & n_parent(x3) & of(x3,x1) & n_thing(x1) & n_boy(x1) & against(e1,x4) & on(e1,x2) & n_adventure(x2) & Actor(e1,x1) & v_go(e1))