Premise: How to blow a bubble with bubblegum<br>Buy some bubblegum. You can buy gum at pretty much every corner store. Chewing gums can be used to make bubbles, but they won't be as big, and they'll usually pop too easily.
Hypothesis: The instructions given here on how to low a bubble with bubble gum are not really any kind of instructions at all, and do not inform the reader of how to actually make and blow the bubble.