People are talking and visiting on a bus.
The people are on a bus conversing with each other.
Conversing is the same thing as talking and visiting.
exists e1 e2 x1 x2 x3 x4.(on(e2,x4) & n_bus(x4) & Actor(e2,x3) & v_visit(e2) & n_people(x3) & Theme(e1,x2) & Actor(e1,x1) & v_talk(e1) & n_bus(x2) & n_people(x1))
exists p1 x1.(n_people(x1) & exists e1 x2 x3.(on(x1,x2) & all x4.(n_other(x4) -> with(e1,x4)) & Actor(e1,x3) & v_converse(e1) & (x2 = x3) & n_bus(x2)))