## TPTP Problem File: NLP001+1.p

View Solutions - Solve Problem

```%--------------------------------------------------------------------------
% File     : NLP001+1 : TPTP v8.1.0. Released v2.4.0.
% Domain   : Natural Language Processing
% Problem  : "The old dirty white Chevy" problem
% Version  : [Bos00] axioms.
% English  : A problem generated by the DORIS [Bos00] system when parsing
%            the statement "The old dirty white Chevy barrels down a lonely
%            street in Hollywood".

% Refs     : [Bos00] Bos (2000), DORIS: Discourse Oriented Representation an
%            [Bau99] Baumgartner (1999), FTP'2000 - Problem Sets
% Source   : [Bau99]
% Names    :

% Status   : Theorem
% Rating   : 0.00 v5.3.0, 0.09 v5.2.0, 0.00 v4.1.0, 0.06 v4.0.1, 0.11 v4.0.0, 0.10 v3.7.0, 0.00 v3.3.0, 0.11 v3.2.0, 0.22 v3.1.0, 0.50 v2.7.0, 0.33 v2.6.0, 0.00 v2.4.0
% Syntax   : Number of formulae    :    1 (   0 unt;   0 def)
%            Number of atoms       :   56 (   0 equ)
%            Maximal formula atoms :   56 (  56 avg)
%            Number of connectives :   55 (   0   ~;   0   |;  53   &)
%                                         (   0 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   20 (  20 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :   14 (  14 usr;   0 prp; 1-2 aty)
%            Number of functors    :    0 (   0 usr;   0 con; --- aty)
%            Number of variables   :   16 (   0   !;  16   ?)
% SPC      : FOF_THM_EPR_NEQ

%--------------------------------------------------------------------------
fof(co1,conjecture,
( ( ? [U,V,W,X] :
( hollywood(U)
& city(U)
& event(V)
& street(W)
& way(W)
& lonely(W)
& chevy(X)
& car(X)
& white(X)
& dirty(X)
& old(X)
& barrel(V,X)
& down(V,W)
& in(V,U) )
=> ? [Y,Z,X1,X2] :
( hollywood(Y)
& city(Y)
& event(Z)
& chevy(X1)
& car(X1)
& white(X1)
& dirty(X1)
& old(X1)
& street(X2)
& way(X2)
& lonely(X2)
& barrel(Z,X1)
& down(Z,X2)
& in(Z,Y) ) )
& ( ? [X3,X4,X5,X6] :
( hollywood(X3)
& city(X3)
& event(X4)
& chevy(X5)
& car(X5)
& white(X5)
& dirty(X5)
& old(X5)
& street(X6)
& way(X6)
& lonely(X6)
& barrel(X4,X5)
& down(X4,X6)
& in(X4,X3) )
=> ? [X7,X8,X9,X10] :
( hollywood(X7)
& city(X7)
& event(X8)
& street(X9)
& way(X9)
& lonely(X9)
& chevy(X10)
& car(X10)
& white(X10)
& dirty(X10)
& old(X10)
& barrel(X8,X10)
& down(X8,X9)
& in(X8,X7) ) ) ) ).

%--------------------------------------------------------------------------
```