Here's a list of what the various townpeople really enjoy. Give them these presents in order to get on their good side.

Ronald the Supermarket Owner: Cake
Parsley the Plant Hunter: Herb Tea
Lyla the Flower Shop Owner: Pink Cat Flowers/Blueberries
Wallace the Cafe Owner: Tea/Fish
Bob, owner of Brownie Farm: Sweets
Joe the Carpenter: Fish
Katie the Cafe Waitress: Cookies/Cheese
Louis the Tool Shop Owner: Eggs
Tim, Bob's little brother: Eggs/Cake/Tea
Gina, the Maid's daughter: Fish/Eggs
Dia, Clove Villa daughter: Blueberries
Kurt the Carpenter: Tomatoes
Martha the Clove Villa Maid: Cheese