medium · LSAT Logical Reasoning

Which one of the following, if true, most weakens the nutritionist's argument?

1. During the same year, residents sharply increased their purchases of sugary drinks from stores located just outside the city's borders.
2. The soda tax was approved by a far wider margin of city voters than any other public-health measure that appeared on that year's ballot.
3. In anonymous surveys, most city residents reported finding the newly taxed beverages noticeably less pleasant to drink than untaxed substitutes.
4. Public-health officials in two neighboring cities are now seriously weighing whether to adopt a comparable per-ounce tax of their own.
5. Sales of sugary soft drinks had already been declining slowly across the city for several consecutive years before the new tax ever took effect.

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