In this task, you are given a question and a context passage. You have to answer the question based on the given passage.

Q: It became easier to move around in non-deep water thanks to what living entity?, Context: The tide-predicting machine invented by Sir William Thomson in 1872 was of great utility to navigation in shallow waters. It used a system of pulleys and wires to automatically calculate predicted tide levels for a set period at a particular location.

A: Sir William Thomson
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Q: Where was the Summer theater?, Context: Nearby, in Ogród Saski (the Saxon Garden), the Summer Theatre was in operation from 1870 to 1939, and in the inter-war period, the theatre complex also included Momus, Warsaw's first literary cabaret, and Leon Schiller's musical theatre Melodram. The Wojciech Bogusławski Theatre (1922–26), was the best example of "Polish monumental theatre". From the mid-1930s, the Great Theatre building housed the Upati Institute of Dramatic Arts – the first state-run academy of dramatic art, with an acting department and a stage directing department.

A: Ogród Saski
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Q: How popular did Madonna's singles become?, Context: After Madonna signed a singles deal with Sire, her debut single, "Everybody", was released in October 1982, and the second, "Burning Up", in March 1983. Both became big club hits in the United States, reaching number three on Hot Dance Club Songs chart compiled by Billboard magazine. After this success, she started developing her debut album, Madonna, which was primarily produced by Reggie Lucas of Warner Bros. However, she was not happy with the completed tracks and disagreed with Lucas' production techniques, so decided to seek additional help.

A:
Both became big club hits in the United States, reaching number three on Hot Dance Club Songs chart compiled by Billboard magazine
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