Alliteration is defined as repeated consonant sounds at the beginning of words. Which of the following lines of poetry contains an example of alliteration?

1) "Peter Piper picked a peck of pickled peppers."

2) "The cat sat on the mat."
3) "I scream, you scream, we all scream for ice cream."
4) "To be or not to be, that is the question."

The answer is: 1) "Peter Piper picked a peck of pickled peppers."