Problem: What theory of spacetime was formulated by Albert Einstein?
Answer: special relativity

Problem: Which British sports carcompany was founded by Jem Marsh and Frank Costin?
Answer: marcos

Problem: What was the name of the last concert by the Canadian-American rock group The Band in November 1976?
Answer: last waltz

Problem: What is the deepest lake in the world?
Answer:
lake baikal