The correct choice is:
Claim 1 has a formal style with advanced vocabulary and complex syntax. Claim 2 has an informal style, addressing the audience as you and using contractions.
This answer accurately compares and contrasts the styles of the two claims. Claim 1 employs a more formal tone, utilizing sophisticated language and structure, while Claim 2 uses a casual tone, directly addressing the reader and incorporating informal elements like contractions.