A person learning how to rock climb with another person assisting.
The person is sitting on the stool.
One cannot be sitting on the stool and learning to rock climb at the same time.
exists e1 x1 x2 x3.(a_topic(x1) & Topic(e1,x3) & Actor(e1,x2) & v_learn(e1) & n_manner(x3) & exists e2 e3 x4 x5 x6 x7.(with(e2,x6) & Actor(e3,x7) & v_assist(e3) & (x6 = x7) & n_person(x6) & -(x6 = x1) & Theme(e2,x5) & Actor(e2,x4) & v_rock(e2) & n_climb(x5)) & n_person(x1) & n_person(x1) & (x1 = x2))
exists e1 x1 x2.(n_stool(x2) & n_person(x1) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))