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Mom buys Lucy a new skirt, but she doesn’t tell Lucy the color of the skirt. 妈妈给露西买了一条漂亮的连衣裙，可是妈妈没有告诉露西连衣裙的颜色。
Mom gives her a clue with a smile, “The skirt can be red, pink or blue.” 妈妈笑着给露西一点提示：“连衣裙可能是红色、粉色或者蓝色中的一种。”
Lucy thinks for a while and says, “Mom will not buy me a red skirt, for I don’t like red.” 露西想了想说：“妈妈一定不会买红色的，因为我不喜欢红色。”
Mom smiles. Lucy says: “It’s either pink or blue.” After a while, she says, “It must be blue.” 妈妈笑了笑。露西又说：“那不是粉色就是蓝色。”她又想了想说：“一定是蓝色的。”
Mom smiles and says, “At least one of your sentences is right. And of course there is at least one of them is wrong.” 妈妈说道：“你刚才说的话至少有一句是对的，但至少有一句是错的。”
Lucy is a little puzzled and she doesn’t know what to do. Can you tell her the color of the skirt? 露西听了妈妈的话，有些不知所措了。你能告诉她连衣裙的颜色吗？
粉色。因为如果连衣裙是蓝色的话，那么3句话都是正确的；如果连衣裙是红色的话，那么三句话都是错误的。
Mom gives her a clue with a smile, “The skirt can be red, pink or blue.” 妈妈笑着给露西一点提示：“连衣裙可能是红色、粉色或者蓝色中的一种。”
Lucy thinks for a while and says, “Mom will not buy me a red skirt, for I don’t like red.” 露西想了想说：“妈妈一定不会买红色的，因为我不喜欢红色。”
Mom smiles. Lucy says: “It’s either pink or blue.” After a while, she says, “It must be blue.” 妈妈笑了笑。露西又说：“那不是粉色就是蓝色。”她又想了想说：“一定是蓝色的。”
Mom smiles and says, “At least one of your sentences is right. And of course there is at least one of them is wrong.” 妈妈说道：“你刚才说的话至少有一句是对的，但至少有一句是错的。”
Lucy is a little puzzled and she doesn’t know what to do. Can you tell her the color of the skirt? 露西听了妈妈的话，有些不知所措了。你能告诉她连衣裙的颜色吗？
粉色。因为如果连衣裙是蓝色的话，那么3句话都是正确的；如果连衣裙是红色的话，那么三句话都是错误的。