What does the man propose to do next year?

W: Did you go to the Yellow Stone Park when you had your vacation last year?
M: First I visited my aunt in New York, then I went to the Great Lakes and saw the Niagara Falls. I plan to visit the Yellow Stone next year.

W: Whereas European nations have traditionally employed metric units such as meters and grams, the United States has employed English Units such as feet and pounds.
M: Both systems are now in use in the U. S. ,though.