Script started on XXXXXXXXXXXXXXXXXXXXXXXX
 moxie > pl
Welcome to SWI-Prolog (Multi-threaded, Version 5.6.3)
Copyright (c) 1990-2005 University of Amsterdam.
SWI-Prolog comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to redistribute it under certain conditions.
Please visit http://www.swi-prolog.org for details.

For help, use ?- help(Topic). or ?- apropos(Word).

?- ['d.p'].
%   io.p compiled 0.00 sec, 8,872 bytes
%  process.p compiled 0.00 sec, 12,072 bytes
% d.p compiled 0.02 sec, 27,696 bytes

Yes
?- cvt(data2).
DEBUG place a red square at 1 1 with side 5 .
DEBUG continuing translation ...
DEBUG  leaves remainder X = []
recognized that

DEBUG place a blue square at 2 1 with side 6 .
DEBUG continuing translation ...
DEBUG  leaves remainder X = []
recognized that

DEBUG move it to 3 5 .
DEBUG continuing translation ...
DEBUG  leaves remainder X = []
recognized that

DEBUG what color squares are present ?
DEBUG continuing translation ...
red
blue
DEBUG  leaves remainder X = []
recognized that

DEBUG are there any red squares present ?
DEBUG continuing translation ...
yes
DEBUG  leaves remainder X = []
recognized that

DEBUG are there any blue squares present ?
DEBUG continuing translation ...
yes
DEBUG  leaves remainder X = []
recognized that

DEBUG how big is the square at 3 5 ?
DEBUG continuing translation ...
Side of length 6
DEBUG  leaves remainder X = []
recognized that

DEBUG stop .

Yes
?- halt.
 moxie > exit
 moxie >
script done on XXXXXXXXXXXXXXXXXXXXXXXX