Directions: Given below are sets of three sentences. One, two or all the sentences may have error(s) of grammar or syntax or Standard English usage. Identify only the sentences that are incorrect.

(A) The endorsements signed by the top-notch sportsmen and artists earn far greater revenue for them than the money they earn from their actual professional pursuits. (B) I find the progress of the student far more impressive than what I had expected initially. (C) Better known as an exponent of the classical belle, the danseuse nevertheless gave an exceptional performance of folk dance.