It looks the same, but it is different

Anne Frank wrote, "We all live with the objective of being happy; our lives are all different and yet the same."

Today's deal looks similar to yesterday's, but the correct declarer play is different. As in yesterday's column, South is in six spades and West leads the heart queen. How should declarer continue?

When North had just enough to raise two spades to three spades, South bid what he hoped he could make.