Context: In the US , the number one hit on my birthday was " With Or Without You " by U2 , which is rather cool because it \'s quite possibly my favourite U2 song .
Question: Why did the author note that the number one hit was their favorite song by U2 ?
Option 0: To make it clear who some of their preferred musicians are .
Option 1: They also like other songs from this band and this one is their most liked .
Option 2: To emphasize that U2 is recognized for having many chart topping hits
Option 3: None of the above choices .
Answer: 1