There are two young people with backpacks on and then are standing next to a hiking trail.
Two young people with backpacks prepare to hike down into the grand canyon.
It may not be the case that the two young people are along the trail to prepare to hike down into the grand canyon.
exists e1 p1 p2 s1 x1 x2.(a_then(s1) & Manner(e1,s1) & exists s3 x7 x8.(to(s3,x7) & n_trail(x7) & of(x7,x8) & n_hiking(x8) & Theme(s3,x2) & a_next(s3)) & Topic(e1,p2) & Actor(e1,x2) & v_stand(e1) & exists s2 x3 x4 x5 x6.((x1 = x3) & on(x3,x5) & n_trail(x5) & of(x5,x6) & n_hiking(x6) & with(x3,x4) & n_backpack(x4) & n_people(x3) & a_young(s2) & Theme(s2,x3) & card_eq_2(x3)))
exists e1 p1 s1 s2 x1 x2 x3.(n_canyon(x3) & a_grand(s2) & Theme(s2,x3) & Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 s3.(a_down(s3) & Manner(e2,s3) & into(e2,x3) & Actor(e2,x1) & v_hike(e2)) & with(x1,x2) & n_backpack(x2) & n_people(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))