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.
Well, it depends on what kind of situation you're in. But the best advice is to handle it the best you can. If you really have no idea how to improvise in the situation, search on the internet to see if other people have experienced what you're going through, and follow some advice that would seem like it would really help in your situation.
Cold is the adjective in this sentence because it is describing the snow as being cold.
My school sees its teachers as agentive members of the community.
There was an assemblage of community leaders at the civic center.
The dog enjoyed sleeping on the hearth when a fire was going.
Yield to the vehicle On the left