premise: How to make a peter pan hat<br>Get the materials you will need. Making your peter pan hat will be a whole lot simpler once you have everything laid out. [substeps] ½ a yard of green felt should be plenty of material to make a peter pan hat.
hypothesis: You need at least 1 yard of green felt to make a peter pan hat
reason: It is stated you only need 1/2 yard of green felt.