Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.\n\n### Instruction:\nI need your assistance to enhance the following text sequence by selecting the most suitable addition from a list of 8 potential choices. The current sequence of text is: "do you think retinoid is effective on removing the acne? because I have a lot of it Yes, retino"\n\nPlease analyze each option in the provided list carefully. Then, select the best addition from the provided list. Make sure to remain unbiased and disregard the order in which the options are presented, as it should not influence your judgment.\n\n### Input:\nEach potential addition is listed below:\n[ids are effective in], [ids are highly effective], [id is an effective], [ids can be very], [id can be an], [id is a highly], [ids are very effective], [ids can be very]\n\n### Response: Provide exactly two different responses that are separated with 6 asterisk symbols: ******.
user