two nuns looking at a cellphone.
The nuns look at the cellphone
If a nuns look they are also looking
exists e1 x1 x2.(at(e1,x2) & n_cellphone(x2) & Actor(e1,x1) & v_look(e1) & n_nun(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_cellphone(x2) & n_nun(x1) & at(e1,x2) & Actor(e1,x1) & v_look(e1))