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884. According to the Road Traffic Act and its Enforcement Decree, which is the correct explanation of the following road safety sign?
- Auxiliary sign indicating that one side of the road is an area with the risk of falling, such as a valley.
- Regulation sign indicating that one side of the road is an area with the risk of falling, such as a riverside.
- Caution sign that one side of the road is an area with the risk of falling, such as a valley.
- Indication sign indicating that one side of the road is an area with the risk of falling, such as a riverside.
Answer : 3