A man wearing a blue jacket and glasses holds the handrail while climbing the stairs.
A guy sits at the bottom of the steps looking up.
You cannot be sitting at the bottom of the stairs and climbing them at the same time. Climbing them takes motion. Sitting does not.
exists e2 e1 e3 s1 x1 x2 x3 x4 x5 x6 x7.(n_stair(x7) & n_handrail(x6) & while(e2,e3) & Theme(e3,x7) & Actor(e3,x1) & v_climb(e3) & Theme(e2,x6) & Actor(e2,x1) & v_hold(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & n_glass(x5) & subset_of(x4,x3) & n_jacket(x4) & a_blue(s1) & Theme(s1,x4) & (x1 = x2) & n_man(x1))
exists e2 e1 s1 x1 x2 x3 x4.(n_step(x3) & n_bottom(x2) & at(e1,x2) & of(x2,x3) & a_up(s1) & Manner(e2,s1) & Actor(e2,x4) & v_look(e2) & (x3 = x4) & Actor(e1,x1) & v_sit(e1) & n_guy(x1))