Determine Mr. Smiths 2016 filing status in each of the following independent cases.

1. Mr. Smith and the first Mrs. Smith were legally divorced on February 10. Mr. Smith remarried the second Mrs. Smith on December 5. He has no dependent children.

2. Mrs. Smith dies on June 22. Mr. Smith has not remarried and has no dependent children.

3. Mrs. Smith died on November 1, 2012. Mr. Smith has not remarried and maintains a home for one dependent child.

4. Mrs. Smith died on April 3, 2013. Mr. Smith has not remarried and has no dependent children.

5. Mr. and Mrs. Smith were legally divorced on September 10, 2010. Mr. Smith has not remarried and maintains a home for his two dependent children.