Is there a way to disable the captions?

If AC B is negated, then it would read "using current technology, it would NOT be possible..." Doesn't this negation ruin the argument?

How do we know that "no" is not an indicator word that triggers a group 4 application?

Can a link to the valid argument lesson be provided? When I searched for it I mostly found discussions about the topic, but not the lesson.

Didi you always employ the blind review method?

Well Done! I too work a lot and am sometimes exhausted by the end of the day. How long did you study for before taking the LSAT?