Natural language generation
Natural language can be defined as a conversational tone in a bot's response. The purpose here is not to hide the fact that the bot is not human, but to make the information easier to digest.
The flavorText variable from the previous snippet is an attempt to make the bot's responses sound more natural; in addition, it is a useful technique to cheat our way out of performing more complex processing to reach a conversational tone in our response.
Take the following example:
Weatherbot's politician-like response
Notice how the first weather query is asking whether it's cold or not. Weatherbot gets around giving a yes or no answer ...
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