From the passage provided, extract where the Fembe language is spoken.
Fembe, or Agala, is a Trans–New Guinea language of New Guinea, spoken in the plains east of the Strickland River.
Strickland River
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.
----------------
Fembe, or Agala, is a Trans–New Guinea language of New Guinea, spoken in the plains east of the Strickland River.
----------------
Answer the following query.
From the passage provided, extract where the Fembe language is spoken.

user
Strickland River
assistant