He arrived shortly after and we all congratulated him for his birthday . The meal was gorgeous we had a banquet and they lit sparklers on his cake when we sang happy birthday .
What might be the reason he arrived later than we did ?
Pick the best answer from the following options:
- We might have had a party he knew about .
 - We might have had a party he did n't want .
 - We might have had a party he wanted .
 - We might have had a surprise party for him .


We might have had a surprise party for him .