Trampolines are a fun way to exercise.
A group of exercisers working out on a trampoline.
People can exercise on a trampoline without doing so in a group.
exists p1 x1.(exists p2 x2 x3.((x1 = x2) & Topic(x2,p2) & exists e1 x4.(Theme(e1,x4) & Actor(e1,x2) & v_exercise(e1) & n_thing(x4)) & n_way(x2) & of(x2,x3) & n_fun(x3)) & n_trampoline(x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & a_out(s1) & Manner(e1,s1) & on(e1,x4) & n_trampoline(x4) & Actor(e1,x3) & v_work(e1) & (x1 = x3) & of(x1,x2) & n_exerciser(x2) & n_group(x1))