Rocket: " Well chocolate seems like the way to go to find them. Oh, we need first to decide on a codename in case of substitution from one of us. I'll whisper it in your ear,"

He whisper: " Wind Rider " to everypony in his crew ears, while making sure he say it in low tone and hiding his lips.

He take out a chocolate bar from his pocket: " I was keeping it for later but I guess I could use it to identify a changeling? Do you guys have any ideas how we could use that info to our advantage? "