Which Venn diagram represents the truth of the statement "Some teenagers are not dreamers" (where $T$ is the set of teenagers and $D$ is the set of dreamers)

In the given Venn diagram $n\left(A\right)$ is

$\mathrm{I}$ No Hut is a cottage
$\mathrm{II}$ Some buildings are Huts

The shaded region in the given figure shows _____

In a school, there are three types of games to be played. Some of the students play two types of games, but none play all the three games. Which Venn diagrams can justify the above statement?

Some cars are towns.
Some towns are flowers
All Plants are flowers

Conclusion : 

$\mathrm{I}$ No plant is a car
$\mathrm{II}$ Some cars are flowers

Let $A$ be the set of vectors $a=\left(a_1,a_2,a_3\right)$ satisfying ${\left(\sum _{i=1}^3\frac{a_i}{2^i}\right)}^2=\sum _{i=1}^3\frac{a_i^2}{2^i}$. Then,