A young boy and a young girl standing near a window on a firetruck, the young girl holding an American flag.
A young boy and a young girl are riding on the firetruck during a parade.
It cannot be inferred that  they are riding on a firetruck during a parade.
exists e1 s1 s2 s3 s4 s5 x1 x2 x3 x4 x5 x6 x7.(a_topic(s1) & subset_of(x2,s1) & near(x2,x4) & rel(x4,x3) & Theme(e1,x7) & Actor(e1,x6) & v_hold(e1) & n_flag(x7) & a_american(s5) & Theme(s5,x7) & (x3 = x6) & n_girl(x3) & n_girl(x3) & a_young(s4) & Theme(s4,x3) & on(x4,x5) & n_firetruck(x5) & n_window(x4) & n_standing(x2) & of(x2,x3) & a_young(s3) & Theme(s3,x2) & subset_of(x1,s1) & n_boy(x1) & a_young(s2) & Theme(s2,x1))
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_firetruck(x4) & during(e1,x5) & n_parade(x5) & on(e1,x4) & Actor(e1,x1) & v_ride(e1) & subset_of(x3,x1) & n_girl(x3) & a_young(s2) & Theme(s2,x3) & subset_of(x2,x1) & n_boy(x2) & a_young(s1) & Theme(s1,x2))