classify the following people as males vs females:
john oliver
stephen colbert
vir das
oprah winfrey
michelle obama
donald trump
queen of england
halle berry
joseph stalin
males:
john oliver
stephen colbert
vir das
donald trump
joseph stalin

females:
oprah winfrey
michelle obama
queen of england
halle berry
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.
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Answer the following query.
classify the following people as males vs females:
john oliver
stephen colbert
vir das
oprah winfrey
michelle obama
donald trump
queen of england
halle berry
joseph stalin

user
males:
john oliver
stephen colbert
vir das
donald trump
joseph stalin

females:
oprah winfrey
michelle obama
queen of england
halle berry
assistant