Which AWS service is often used as a 'fulfillment' engine for Lex, performing the actual logic like searching a database or booking an appointment?

You are building a customer support chatbot that needs to understand natural language intent (e.g., 'book a flight'). Which service provides Natural Language Understanding (NLU) capabilities?

You are building a customer support chatbot that needs to understand natural language intent (e.g., 'book a flight'). Which service provides Natural Language Understanding (NLU) capabilities?

You are building a customer support chatbot that needs to understand natural language intent (e.g., 'book a flight'). Which service provides Natural Language Understanding (NLU) capabilities?

You are building a customer support chatbot that needs to understand natural language intent (e.g., 'book a flight'). Which service provides Natural Language Understanding (NLU) capabilities?

You are building a customer support chatbot that needs to understand natural language intent (e.g., 'book a flight'). Which service provides Natural Language Understanding (NLU) capabilities?