Two people are working outside in the sun.
The people sleeping.
They can't be working and sleeping.
exists e1 s1 x1 x2.(n_sun(x2) & in(e1,x2) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_people(x1) & a_topic(x1) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2))