Task: Question Answering
Input (English): Context: They were all talking about their Christian Ministry and the Church to which they all belonged ; discussing the politics that existed within the hierarchy and how best to approach some of the problems of accepting both themselves and others and giving to God . My first reaction was to smile , and my next was to realise just how much I 'd pre - judged them . A gentle slap on the wrist was self administered and yet another lesson was learnt . 
Question: Why did the writer slap themselves on the wrist ?
Output (English): Because the writer realized they were prejudging some people .