A man and a woman sit on a bus, but not together.
People are riding the bus together to go to work.
The people could be tourists on a trip and are not necessarily on their way to work.
exists e1 x1 x2 x3 x4.(-exists e2 s1 x5 x6 x7.(a_together(s1) & Manner(e2,s1) & Actor(e2,x5) & v_sit(e2) & subset_of(x7,x5) & n_woman(x7) & subset_of(x6,x5) & n_man(x6)) & on(e1,x4) & n_bus(x4) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists e1 p1 s1 x1 x2 x3.(n_bus(x3) & Topic(e1,p1) & exists e2 x4.(to(e2,x4) & n_work(x4) & Actor(e2,x1) & v_go(e2)) & a_together(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_people(x2) & n_people(x1))