A fitness trainer is working with a man on an athletic machine.
A fitness trainer is alone on an athletic machine.
Working with a man is different than being alone
exists e1 s1 x1 x2 x3 x4.(with(e1,x3) & on(x3,x4) & n_machine(x4) & a_athletic(s1) & Theme(s1,x4) & n_man(x3) & Actor(e1,x1) & v_work(e1) & n_trainer(x1) & of(x1,x2) & n_fitness(x2))
exists p1 s1 x1 x2.(a_alone(s1) & Manner(p1,s1) & exists s2 x3.(on(x1,x3) & n_machine(x3) & a_athletic(s2) & Theme(s2,x3)) & n_trainer(x1) & of(x1,x2) & n_fitness(x2))