They (girls) study at the library every day.

She is my best friend.

She is my best friend.

They (referring to women or girls) are my best friends.

She has heterochromia of blue and green, which is part of her charm.

His unusual idea led our project to success.

His painting uses different colors, which is very attractive.

His work is attracting attention for its unusualness.

Part of this movie is based on actual events.

Everyone is attracted to her allure.