Given the task definition and input, reply with output. In this task, you are given a question and a context passage. You have to answer the question based on the given passage.

What is the only continent mentioned in the text?, Context: Other shopping destinations in Newcastle include Grainger Street and the area around Grey's Monument, the relatively modern Eldon Garden and Monument Mall complexes, the Newgate Centre, Central Arcade and the traditional Grainger Market. Outside the city centre, the largest suburban shopping areas are Gosforth and Byker. The largest Tesco store in the United Kingdom is located in Kingston Park on the edge of Newcastle. Close to Newcastle, the largest indoor shopping centre in Europe, the MetroCentre, is located in Gateshead.
Europe