How do you make a Titanic in Little Alchemy 2?

How do you make a Titanic in Little Alchemy 2?
titanic

steamboat + iceberg.
boat + iceberg.
iceberg + legend.
steamboat + legend.

titanic
  1. steamboat + iceberg.
  2. boat + iceberg.
  3. iceberg + legend.
  4. steamboat + legend.