A: I`m going to explore a cave next summer. What are you going to do?
В: I`m not going to explore a cave. I`m going to go surfing.
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A: I`m going to go on a cruise next summer. What are you going to do?
В: I`m not going to go on a cruise. I`m going to go sightseeing.
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A: I`m going to spend holidays at a hotel next summer. What are you going to do?
B: I`m not going to spend holidays at a hotel. I`m going to go camping.