1. The Venn diagrams are used for both classification and comparisons. Don't limit to only one of them.
2. Venn diagrams don't have to be circles.
3. You need to draw the universal set.
4. Venn diagrams don't have to be very simple. It's okay to complicate the Venn diagrams in order to capture the classifications and the comparisons.
I'd say optimistic.
She's describing the nice weather outside and she isn't really complaining about anything so I'd say she's optimistic.
I think its C. I'm not to sure
