An older man is sitting on a bus looking out at the scenery.
A man is on a bus going through the mountain.
Just because a man is on a bus looking out at the scenery doesn't mean the bus is going through the mountains. He might be enjoying the Florida marsh scenery.
exists e2 e1 s1 s2 x1 x2 x3.(n_scenery(x3) & for(e1,e2) & a_out(s2) & Manner(e2,s2) & at(e2,x3) & Actor(e2,x1) & v_look(e2) & on(e1,x2) & n_bus(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists p1 x1 x4.(n_mountain(x4) & exists e1 x2 x3.(on(x1,x2) & through(e1,x4) & Actor(e1,x3) & v_go(e1) & (x2 = x3) & n_bus(x2)) & n_man(x1))