["I really needed to fart and so I let one out down a grocery isle while shopping thinking I was alone, but I wasn't!", 'Oh no!  Was anyone around?', "Someone was right behind me! And I'm pretty sure they heard it, because they made a funny face."]
That is no good. I bet that was embarrassing.
I farted down a grocery isle thinking I was alone, but someone was standing right behind me and smelled it!