Two people are descending down some stone steps.
Two best friends enjoy the exercise.
Two people don't have to be best friends to descend steps together. People descending down steps may have no intention to enjoy the exercise.
exists e1 s1 x1 x2 x3.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_descend(e1) & n_step(x2) & of(x2,x3) & n_stone(x3) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_exercise(x2) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_friend(x1) & r_most(s1) & a_good(s1) & Theme(s1,x1) & card_eq_2(x1))