When 2 entities are similar, the bot might get them mixed up, making a false positive.
This feature is here to make sure that for the second try, the bot will choose the good entity.
We will ask a first name. There are 6 possible choices:
As you can see “Anton” & “Antony” are similar.
Please notice that both “Anton” & “Antony” entity-values were close enough to “Antoni”. That is why they were proposed by the bot.
If we had written something less similar, the bot would have not “understand” → cf the example below, answering “Tony”: