11. Four cards, each inscribed with one of the characters 华, 杯, 赛, and 好, are selected, and three of them are placed face down in a row on the table. Three people, 甲, 乙, and 丙, each guess what character is on each card, as follows:

The result is that one person is completely correct, one person is completely wrong, and another person is only correct about one card. Identify who is completely wrong.
11. Four cards are written with the words "Hua", "Bei", "Sai", and "Good" respectively. Three of them are selected, and the words are placed face down on the table in sequence. Jia, Yi, and Bing each guess what word is on each card, and the guessing situation is as follows: one person is completely correct, one person is completely wrong, and another person is only correct about one. Please point out who is completely wrong.

【Analysis】According to the problem, one person is completely correct, and another person is only correct about one, which means that these two people must have one answer that is the same. From the table, we can see that the only answer that is the same is the first card, where Jia and Yi have the same answer. Therefore, we can conclude that the person who is completely wrong is Bing.

【Solution】According to the analysis, one person is completely correct, and another person is only correct about one, which means that these two people must have one answer that is the same. From the table, we can see that the only answer that is the same is the first card, where Jia and Yi have the same answer. Therefore, we can conclude that the completely correct and the one who is only correct about one are Jia and Yi, and the one who is completely wrong is definitely Bing.

The answer is: Bing.