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: Kids can learn to blow bubbles.
reason: It doesn't talk about whether kids can blow bubbles. It just talks about blowing bubbles but not the age at which you can do so.