I think the sentences that contain a restrictive clause is the 2nd and 4th one.
1. a or d
2. g
3.a
4.g
Hope this helps!
Answer:
It's the thought that counts, not the gift itself.
The message the author is trying to convey about the passage
Why do humans waste time? We all do it. We put off tasks we see as boring or procrastinate to avoid having to complete a task. We waste time by over thinking about situations when they require a split second decision. But is this really wasting time? Some situations require a little over thinking so could it be deemed un-nescassary to ponder over other options. You could save money, time and effort by just wondering about a simple 'what if?'. This brings up the question - is wasting time really a waste?