Master the logic of Necessary and Sufficient Conditions - Part 2 

The logics of Necessary and Sufficient conditions are two of the most frequently tested logics on the GMAT (perhaps in life, too).
This is the second part of the webinar I conducted on this topic. Here's the link to part 1: • Master Necessary and S...
0:00:06 - Identify whether the statement presents a necessary condition or presents a sufficient condition
0:07:45 - Official Question 2 (Q1 done in the first part)
0:11:59 - Discussion of Q2
0:23:03 - Official Question 3 (Options created by me)
0:26:58 - Discussion of Q3
0:28:05 - The 'Unless' Hack
0:34:15 - Discussion of Q3 continues
0:41:17 - Official Question 4
0:45:49 - Discussion of Q4
1:02:39 - Questions from the participants
I'd like to hear whether you found the video helpful, and if you have some time, what aspects or parts of the video you found most helpful. Thank you! :)