Which sentence contains coordinate adjectives

Lucy received a beautiful floral bouquet for valentine's day.
Lucy wore her pink turtleneck sweater to school on valentines day.
Lucy decorated a brown paper bag to put all of her cards in.
Lucy made creative, colorful valentine's Day cards for all of her classmates

Lucy made creative, colorful valentine's Day cards for all of her classmates.

The sentence that contains coordinate adjectives is:

"Lucy made creative, colorful valentine's Day cards for all of her classmates."

The sentence that contains coordinate adjectives is:

"Lucy made creative, colorful valentine's Day cards for all of her classmates."

To identify coordinate adjectives, you need to look for multiple adjectives that independently modify the same noun. In this case, the adjectives "creative" and "colorful" both modify the noun "valentine's Day cards." The adjectives are separated by a comma, which indicates that they are coordinate adjectives.