Two people are in a garage, while one is pouring out a bag.
two people hang out in a garage
The people in the garage are hanging out there, whilst sentence 1 describes 1 of them are pouring out a bag.
exists p1 p2 x1.(exists e1 s1 x3 x4.(a_out(s1) & Manner(e1,s1) & Theme(e1,x4) & Actor(e1,x3) & v_pour(e1) & n_bag(x4) & n_thing(x3) & card_eq_1(x3)) & while(p1,p2) & exists x2.(in(x1,x2) & n_garage(x2)) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_garage(x3) & a_out(s1) & Manner(e1,s1) & Actor(e1,x2) & v_hang(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))