Men working on a cylinder in a factory.
The man is swimming in a pool in the middle of a factory.
One man can't be swimming if men are working in a factory.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_factory(x4) & on(e1,x3) & n_cylinder(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(n_middle(x3) & n_man(x1) & in(e1,x3) & of(x3,x4) & n_factory(x4) & in(e1,x2) & n_pool(x2) & Actor(e1,x1) & v_swim(e1))