While researching, you locate the following entry online:

My Top 10 Predatory Birds by Lee Sparks, Ornithologist

Harpy eagles are one of the most unique looking and powerful birds in the world. Their talons are like bear claws and their grip can break the bones in a human's arm. They have a majestic and enchanting appearance but are insanely dangerous predators.

Which sentence best uses a signal phrase to credit the information from this source?

Expert Lee Sparks describes Harpy Eagles as birds that have a majestic and enchanting appearance but are insanely dangerous predators.
Lee Sparks is a person who describes Harpy Eagles as animals that have a "have a majestic and enchanting appearance but are insanely dangerous predators."
Lee Sparks describes Harpy Eagles as birds that have a majestic and enchanting appearance but are insanely dangerous predators.
Ornithologist Lee Sparks describes Harpy Eagles as birds that have "a majestic and enchanting appearance but are insanely dangerous predators."

Ornithologist Lee Sparks describes Harpy Eagles as birds that have "a majestic and enchanting appearance but are insanely dangerous predators."

The best sentence that uses a signal phrase to credit the information from this source is: "Ornithologist Lee Sparks describes Harpy Eagles as birds that have 'a majestic and enchanting appearance but are insanely dangerous predators.'"

The sentence that best uses a signal phrase to credit the information from this source is: "Ornithologist Lee Sparks describes Harpy Eagles as birds that have 'a majestic and enchanting appearance but are insanely dangerous predators.'"