A man and two young girls in a forest.
A man and his two daughters hike in the forest.
The relationship between the man and the two young girls is not stipulated in sentence 1 so you cannot infer that, nor can you infer that they are on a hike in the forest.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_forest(x3) & n_girl(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2 x3 x4.(n_forest(x4) & in(e1,x4) & Actor(e1,x1) & v_hike(e1) & subset_of(x3,x1) & n_daughter(x3) & card_eq_2(x3) & of(x3,x2) & n_male(x2) & subset_of(x2,x1) & n_man(x2))