In a competition, 4 people can stand on the winners' podium: the gold winner, the silver winner, the bronze winner, and the host. The gold winner is taller than the host. The host is taller than the bronze winner. The silver winner is taller than the gold winner. Who cannot be the shortest among them? Please reply with exactly 4 paragraphs and separate each paragraph with two new lines. The very first paragraph must start with the word "monitoring".
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