Given the sentence "Engineers in full bodysuits and gloves are working around metal machines." can we conclude that "Some engineers are building a mechanical prototype."?\nOptions:\n- yes\n- it is not possible to tell\n- no
Please answer and provide answer explanation.
it is not possible to tell
Just because engineers are wearing their full gear and working with metal machines does not imply they are building a mechanical prototype.

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Final answer: it is not possible to tell