the poll began to reveal its slant

I understand that the following sentence describes a poll that starts with some rather unimportant questions which are followed by the really significant ones. What would be a synonym for ‘slant’ here:

After some initial straightforward questions, the poll began to reveal its slant.

Thanks,
Torsten[YSaerTTEW443543]

TOEIC short conversations: An employee compliments his co-worker on her new briefcase[YSaerTTEW443543]

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Thrust? Intent? Bias?
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