Employees on stepladders clean the glass doors of a business.
Employees are cleaning.
If people clean they are cleaning
exists e1 x1 x2 x3 x4 x5.(n_door(x3) & of(x3,x4) & n_glass(x4) & Theme(e1,x3) & Actor(e1,x1) & v_clean(e1) & of(x3,x5) & n_business(x5) & on(x1,x2) & n_stepladder(x2) & n_employee(x1))
exists e1 x1.(Actor(e1,x1) & v_clean(e1) & n_employee(x1))