Identical tracks on dvds

Hi,

ive tried ripping the dvds daredevil , resident evil and die another day using dvd2one.

and i keep finding 2 identical tracks. they seem identical in every way same chapters etc length.

witch one should i chose? and whats the difference?
appreciate the help,

Shadow

at daredevil i ripped the 1st…

Wide Screen and Full Screen. Original and Extended.

both are identical in size and length
so extended is out,

but its widescreen , normal version then?
preciate the help

Shadow

yes.

ahh thanks alot…
somebody just told me it has something to do with angles tho, die another day does have 2 angles …

ahh well