For 10 points, name this holiday celebrating the exodus of the Israelites from Egypt.
At the end of this holiday's service, drinking songs like "Had Gadya" are sung, and earlier "Dayenu" ["dye"-AY-noo] is recited. At that service, the youngest person present asks why observers recline as part of the (*) Four Questions. Observers of this holiday spill ten drops of wine--one for each plague--from the four cups of wine they drink, and they also eat unleavened bread called matzah. For 10 points, name this holiday celebrating the exodus of the Israelites from Egypt.
At the end of this holiday's service, drinking songs like "Had Gadya" are sung, and earlier "Dayenu" ["dye"-AY-noo] is recited.
Passover (or Pesakh; accept Passover seder)