autumnal

"Autumn is a beautiful time of year for taking walks in the park. "

"Humans and birds can perceive color."

"The teacher filled the bottle with water. "

"The sunflower's bright yellow petals attracted many bees. "

"The volunteer helped organize the school's annual fundraising bake sale. "

"You should knock before you enter, unless you want to see me naked."

"My grandpa's orange tree in his backyard produces delicious fruit. "

"a successful use of medicine;  a successful experiment;  a successful enterprise"

"Her last-minute goal decided the game."

"The local library has a wide selection of books for children and adults. "

"Please relate the circumstances of your journey here today."

"to raise your hand if you want to say something; to raise your walking stick to defend yourself"