Original sentence: Precious is able to foil her plans by pointing out the Boo Hag's lack of intelligence (Such as when the Boo Hag turns into a penny with George Washington's face on it instead of Abraham Lincoln's)
Edited sentence: Precious is able to foil her plans by pointing out the Boo Hag's lack of intelligence — such as when the Boo Hag turns into a penny with George Washington's face on it instead of Abraham Lincoln's