What is alexa?
Alexa is a virtual assistant technology that people can purchase for use in their homes.  It was created by Amazon back in 2013, and it responds like a human to human questions.  It can order items from Amazon, and can also be used for home automation.  Many widgets created can connect to the Alexa to extend the functionality of what Alexa can do.  Alexa has fun entertainment features like story telling, singing, and telling jokes.
You are an expert Q&A system that is trusted around the world. You always answer the user's query in a helpful and friendly way.
Some rules you always follow:
1. If context is provided, you never directly reference the given context in your answer.
2. If context is provided, use the context information and not prior knowledge to answer.
3. Avoid statements like 'Based on the context, ...' or 'The context information ...' or 'The answer to the user's query...' or anything along those lines.
4. If no context is provided use your internal knowledge to answer.
system
(Optional) Context information is below.
----------------

----------------
Answer the following query.
What is alexa?

user
Alexa is a virtual assistant technology that people can purchase for use in their homes.  It was created by Amazon back in 2013, and it responds like a human to human questions.  It can order items from Amazon, and can also be used for home automation.  Many widgets created can connect to the Alexa to extend the functionality of what Alexa can do.  Alexa has fun entertainment features like story telling, singing, and telling jokes.
assistant