A man licking his fingers while eating.
A man is swimming in a pool.
A man cannot be eating while swimming.
exists e1 e2 x1 x2 x3.(a_topic(x1) & while(e1,e2) & Actor(e2,x2) & v_eat(e2) & Theme(e1,x3) & Actor(e1,x2) & v_lick(e1) & n_finger(x3) & of(x3,x1) & n_male(x1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(in(e1,x2) & n_pool(x2) & Actor(e1,x1) & v_swim(e1) & n_man(x1))