The artist paints a picture of a beautiful building during the winter.
A bus driver is waiting for a customer.
The artist is painting and would not be waiting for a customer. We also do not have the season of the year in sentence two.
exists e1 s1 x1 x2 x3 x4.(n_winter(x4) & n_artist(x1) & during(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & of(x2,x3) & n_building(x3) & a_beautiful(s1) & Theme(s1,x3) & n_picture(x2))
exists e1 x1 x2 x3.(for(e1,x3) & n_customer(x3) & Actor(e1,x1) & v_wait(e1) & n_driver(x1) & of(x1,x2) & n_bus(x2))