Read the following attention getter from a former student: Have you ever opened up the milk carton and gave it a whiff before pouring? Have you ever thought you smelled gas in your apartment? Or have you ever walked into the bathroom after your dorm-mate used it and crinkle your nose to see what smells are left behind as you bravely walk in? In all these instances your nose is trying to sniff out danger. Smell is a very powerful and reliable sense to detect dangers that cannot be seen or heard. Luckily we have our noses to sniff! In much the same way, the nose of dogs are also used to keep people safe. Every day, the police use bomb sniffing dogs to locate dangerous electronic and chemical bombs that could harm or even kill us. Question: Which strategy for an attention getter does this speaker use