Complex sentence: Later, while Barry and Vanessa are walking through a grocery store, Barry is shocked to discover that the humans have been stealing and eating the bees' honey for centuries, and decides to journey to Honey Farms, which supplies the grocery store with its honey.
Split into simpler sentences: Later, while Barry and Vanessa are walking through a grocery store, Barry is shocked to discover that the humans have been stealing and eating the bees' honey for centuries. He decides to journey to Honey Farms, which supplies the grocery store with its honey.