Tiger: Not all dogs are safe to have around kids. In fact, some dogs bite if kids startle them.

Disney: All high school seniors can participate in senior skip day. Any senior who got straight As can skip two days. Amy skipped two days of school. Therefore, Amy must have gotten straight As.

Trash Bin: My favorite dress is missing from my closet. The only person with access to my room is my sister. When I look in the laundry room, I see my dress in the laundry bin with the rest of her clothes. My hypothesis is that my sister took my dress.