A man is working with a dog during training.
A man is eating nachos
One cannot be working with a dog and eating nachos simultaneously.
exists e1 x1 x2 x3.(during(e1,x3) & n_training(x3) & with(e1,x2) & n_dog(x2) & Actor(e1,x1) & v_work(e1) & n_man(x1))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_nacho(x2) & a_eating(s1) & Theme(s1,x2)) & n_man(x1))