1) The first sound film, "The Jazz Singer," was released in 1927 and marked the transition from silent movies to "talkies."

2) The word "telephone" contains five vowels: E, E, O, E, and E.

3) The deepest part of the ocean is the Mariana Trench, reaching a depth of about 36,070 feet (10,994 meters).

4) The word "banana" contains three vowels: A, A, and A.