Sentence:  Anywhere else, it might be called a hoagie, or a sub, or a hero. In Two Mills it's a <WSD>zep</WSD>. And even though at first it might look like the others, it's not. Like, you'll never find lettuce on a <WSD>zep</WSD>. Or mayonnaise. 
Meaning of the word marked with <WSD> tags:  A certain type of submarine sandwich