A man and two children in a boat on the water.
The man and kids are fishing in their boat.
A man and children can be in a boat without fishing.
exists x1 x2 x3 x4.(n_water(x4) & a_topic(x1) & in(x1,x3) & on(x3,x4) & n_boat(x3) & n_child(x1) & card_eq_2(x1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2 x3 x4.(n_boat(x4) & of(x4,x2) & n_thing(x2) & n_man(x2) & in(e1,x4) & Actor(e1,x1) & v_fish(e1) & subset_of(x3,x1) & n_kid(x3) & subset_of(x2,x1))