Given an object and a part, decide whether the object has that part. For example if you are asked 'gun has barrel?', you need to decide if a gun has a barrel as one of its components or parts, indicating 1 or 0 as your answer respectively. All sentences strictly follow the template 'object has part?.'
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Question: train has front?

Answer: 1


Question: vest has back?

Answer: 1


Question: mug has liquid?

Answer:
1