By the time it was done, I felt a lot more like a meat inspector than a movie critic.

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"If my daughter is sick or I have to pay school fees and this animal comes to our beach, then I have to catch it and kill it because people like the meat, " argues Ashietey, who says he has done precisely that on two occasions.

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At the moment I'm concentrating on using vegetation like a cow, rather than building a meat-eating robot.

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