A man in medieval armor rides atop a horse.
The man is dressed as a fireman.
The man can't be in medieval armor and dressed as a fireman at the same time.
exists e1 s1 x1 x2 x3.(atop(e1,x3) & n_horse(x3) & Actor(e1,x1) & v_ride(e1) & in(x1,x2) & n_armor(x2) & a_medieval(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & as(e1,x2) & n_fireman(x2) & Theme(e1,x1) & v_dress(e1))