12. The method according to claim 11 , further comprising: inputting information relating to the text region including the erroneous sentence, which is selected by a user from the displayed regions; and detecting the text region including the erroneous sentence from the segmented regions based on the input information.
11. The method according to claim 10 , further comprising: inputting information relating to the second attribute region partly overlapped with the original sentence, which is selected by a user from the displayed regions; and detecting the second attribute region partly overlapped with the original sentence based on the input information.