nudibranch

"Clutching my wounded side, I crawled back to the trench."

"John played the piano and everyone sang along."

"The parrot's feathers were colorful, with shades of green, blue, and yellow. "

"The children were diving into the pool after school. "

"My sister enjoys exploring coral reefs and colorful fish with her scuba gear. "

"My teacher explained the new math formula specifically for students in the advanced class. "

"A cat is an animal, not a plant. Humans are also animals, under the scientific definition, as we are not plants."

"He lectured for quite a long while."

"The scuba diver pointed to the vibrant coral reef. "

"The order of the books on the shelf was alphabetical by author. "

"Where does this document belong?"

"Try to spot the differences between these two pictures."