A guy drinking from a big silver cup, content of which is unknown.
There is a person sleeping on the floor.
A guy is drinking from a cup, and it can either be a man or a woman sleeping on the floor. A person can not drink from a cup while sleeping on the floor.
exists s1 s2 x1 x2 x3 x4 x5 x6.(Theme(s2,x3) & a_unknown(s2) & of(x3,x2) & from(x3,x4) & rel(x4,x6) & n_content(x6) & n_cup(x4) & of(x4,x5) & n_silver(x5) & a_big(s1) & Theme(s1,x4) & n_drinking(x3) & a_topic(x1) & (x1 = x2) & n_guy(x1))
exists p1 x1 x4.(n_floor(x4) & exists e1 x2 x3.((x1 = x2) & on(e1,x4) & Actor(e1,x3) & v_sleep(e1) & (x2 = x3) & n_person(x2)))