Task: Question Answering
Input (English): Passage: Southampton became a spa town in 1740. It had also become a popular site for sea bathing by the 1760s, despite the lack of a good quality beach. Innovative buildings specifically for this purpose were built at West Quay, with baths that were filled and emptied by the flow of the tide. Question: What change in flow of the sea controlled the innovative baths at West Quay?
Output (English): the tide