Answered

Which sentence below shows correct use of em dashes?

Instead of another-trip her first-choice Jessica opted to take the shopping spree for her prize.

Instead of another trip – her first choice—Jessica opted to take the shopping spree for her prize.

Instead of another trip, her first choice Jessica, opted to take the shopping-spree for her prize.

Instead of – another trip her first choice – Jessica opted to take the shopping spree for her prize.