A woman with no shirt rides a bike.
Everybody has a shirt.
The women cannot be topless if everybody is wearing a shirt.
exists x1.(-exists e1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_bike(x3) & with(x1,x2) & n_shirt(x2)) & n_woman(x1))
all x1.(n_person(x1) -> exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_shirt(x2)))