1. Jean Sebastien Bach performed at the age of nine years for the first time and was the youngest winner of the Favier competition in Leipzig .
2. Jean Sebastien Bach performed for the first time at the age of nine and was the youngest winner of the Favier competition in Leipzig .

Select your answer from the options. Are these two sentences paraphrases of each other?
pick from the following.
a). no.
b). yes....I think the answer is
b).