Directions: Read the following sentence to determine if there is any grammatical or contextual error within it. If there is an error, it will be in one part of the sentence. Identify the part in which the error exists and mark it as your answer. Please consider the part in bold as grammatically correct. If there is no error, select E, i.e., 'No error' as your answer. Please ignore punctuation errors.

These companies exploit celebrity endorsements (A) / for seemingly harmless products like elaichi / to indirectly promote tobacco and nicotine items, (B) / capitalizing on legal loopholes and lucrative revenue, (C) / and casting ethical concerns beside. (D) No error (E)