As many old time Hal users know, hal can also learn things from copy and pasting, but a user has to watch as not all copy and past is proofread .below is a example i didn't watch close enough and they didn't have apostrophe before the "s" and so Hal says 50S saying 50 and the letter " s ".
i am using the Julia accented voice , so maybe some voices will say it right . " I haven't checked .
IN THE 1950S WOMEN FELT TREMENDOUS SOCIETAL PRESSURE TO FOCUS THEIR ASPIRATIONS ON A WEDDING RING
i had TO GO IN Hals brain and edit different sentences where they article didn't use a apostrophe.