A group of people riding a walking belt at the airport.
The people are going home.
People at an airport can be going many places, it cannot be inferred that any or all of them are going home.
exists e1 x1 x2 x3 x4 x5 x6.(n_airport(x6) & a_topic(x1) & of(x1,x2) & at(e1,x6) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_belt(x4) & of(x4,x5) & n_walking(x5) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(n_people(x1) & Time(e1,x2) & n_home(x2) & Actor(e1,x1) & v_go(e1))