A person walking up the stairs.
This is his daily exercise.
The purpose of walking up stairs is not always for daily exercise.
exists e1 s1 x1 x2 x3.(n_stair(x3) & a_topic(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_person(x1))
exists p1 s1 x1 x2.(n_exercise(x2) & a_daily(s1) & Theme(s1,x2) & of(x2,x1) & n_male(x1) & n_thing(x1) & (x1 = x2))