A premonition is defined as a strong feeling that something bad is about to happen, so one wouldn't have a premonition <em>after</em> an event takes place; it would be before, when they're feeling anxious or worried about a situation that doesn't yet have an outcome.
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A blind alley is a way of acting or thinking that is not effective and will not achieve progress. Sooner or later they will have to realize that this is a blind alley and that they need to rethink their own strategies.
Explanation:
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MIME (mīm) n. Computers A communications protocol that allows for the transmission of data in many forms, such as audio, binary, or video.