Question

You walk across a bridge and you see a boat full of people yet there isn't a single person on there, how is that possible?

Answer 1

the boat is full ? right what question is this 

Answer 2

If you are asking: I walk across a bridge and see a boat full of people yet there isn't a single person on the boat. How is this? 
The answer is, "All the people on the boat are married."