Consider the following document:$$

$$Turtles are captivating creatures known for their slow pace and protective shells. They come in various sizes and colors and symbolize resilience and longevity. Vital to ecosystems, turtles are graceful swimmers and patient land dwellers, reminding us of the wonders of the natural world.$$

a$)$ Select all extractive summaries of the above paragraph.

Turtles are captivating creatures. They symbolize resilience and are graceful swimmers.

Symbolizing resilience in some cultures, turtles are vital to ecosystems and are known for their slow pace and protective shells.

Vital to ecosystems, turtles are colorful swimmers and symbolize grace and vitality.

Turtles are captivating creatures known for their slow pace and protective shells. They come in various sizes and colors and symbolize resilience and longevity.

b$)$ Provide a summary of the paragraph from the previous question that returns a ROUGE $2-$gram precision score of between $\mathrm{.}5$ and $\mathrm{.}6$