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

2) The word "forest" contains two vowels: O and E.

3) Serena Williams, an American tennis player, has won a total of 23 Grand Slam singles titles, making her one of the most successful players in the history of the sport.

4) The average person spends around six months of their lifetime waiting for red lights to turn green.