The interactive example cannot be shown because MathML is not supported
by your browser.
<p>
When Dave asks HAL to open the pod bay door, HAL answers:
<q cite="https://www.imdb.com/title/tt0062622/quotes/?item=qt0396921&ref_=ext_shr_lnk">
I'm sorry, Dave. I'm afraid I can't do that.
</q>
</p>