Large happy family walking down railroad tracks with two dogs in the winter.
A dog is taking two humans for a walk inside of an airplane.
There is either one dog or there are two dogs.  The are usually not railroad tracks inside of an airplane.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_winter(x6) & a_topic(x1) & in(e1,x6) & a_down(s3) & Manner(e1,s3) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & with(x3,x5) & n_dog(x5) & card_eq_2(x5) & n_track(x3) & of(x3,x4) & n_railroad(x4) & (x1 = x2) & n_family(x1) & a_happy(s2) & Theme(s2,x1) & a_large(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & of(x2,x4) & n_airplane(x4) & r_inside(x2) & for(x2,x3) & n_walk(x3) & n_human(x2) & card_eq_2(x2) & n_dog(x1))