Volunteers working at a surfing booth at beach.
the volunteers are asleep
The volunteers cannot simultaneously be asleep and working
exists e1 x1 x2 x3 x4.(at(e1,x4) & n_beach(x4) & at(e1,x2) & n_booth(x2) & of(x2,x3) & n_surfing(x3) & Actor(e1,x1) & v_work(e1) & n_volunteer(x1))
exists s1 x1.(n_volunteer(x1) & Theme(s1,x1) & a_asleep(s1))