Boy Scouts are taking a hike.
Scout troop is hiking up a mountain.
Not all scouts are a scout troop. Hiking doesn't imply being in mountain.
exists e1 x1 x2 x3.(ne_nam_scouts(x1) & (x1 = x2) & ne_nam_boy(x2) & Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & n_hike(x3))
exists e1 s1 x1 x2 x3.(a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_hike(e1) & n_mountain(x3) & n_troop(x1) & (x1 = x2) & ne_nam_scout(x2))