A man sits on the sidewalk while repairing a bike.
A man laying on his bed looking at a bike picture.
A man sits on a sidewalk instead of laying on a bed. He is repairing a bike, not looking at a bike picture.
exists e2 e1 x1 x2 x3.(n_sidewalk(x2) & while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_repair(e2) & n_bike(x3) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & for(e1,e2) & at(e2,x4) & n_picture(x4) & of(x4,x5) & n_bike(x5) & Actor(e2,x2) & v_look(e2) & on(e1,x3) & n_bed(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x2) & v_lay(e1) & (x1 = x2) & n_man(x1))