premise: How to make a gingham christmas wreath<br>Buy a medium-sized wreath form from the craft store. They are available in wicker, metal or plastic. Choose wicker or metal wreath form that is approximately 1 foot (0.30 m) (30. 5 cm) in diameter.
hypothesis: many wreath sizes will work
reason: while the context specifies a certain size, many wreath sizes could work for the project