I haven't really checked for sure but who cares? Remember how much fun we had with the aeroplane on the treadmill runway? So here's another one:

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Last night a school was vandalised by youths on motorbikes who were pulling wheelies on the football pitch.

The question also told us: Stuart Brown owns a motorcycle.

(There is no more information given about Stuart)

The question which followed was:

Stuart may have been one of the youths who vandalised the shcool.

Answer can be (A. True) (B. False) or (C. Impossible to tell.)
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Okay, so what's the correct answer?