You need a domain expert either way. I mentioned in another reply that one of my niches is implementing call centers with Amazon Connect and Amazon Lex (the NLP

You need a domain expert either way. I mentioned in another reply that one of my niches is implementing call centers with Amazon Connect and Amazon Lex (the NLP engine). https://news.ycombinator.com/item?id=42748189 https://news.ycombinator.com/item?id=42748189 I don’t know the domain beforehand they are working in, I do validation testing with them.