Answer the user's question by deciding which API should the question be routed to. 

API Descriptions:
1. CLI(): User wants to execute an AWS CLI command to create or retrieve their AWS Resources.
2. AREX(): User wants to run an AREX query to retrieve, count, find their AWS Resources.
3. Search(): User asks a question whose answer is present in the AWS Documentation.
4. Support(): User requests to be connected with a Support Agent.

Demonstrations:

User: Create a new s3 instance in us-west-1
System: CLI()

User: Get all my ec2 resources in us-east-2 with tag ABC
System: AREX()

User: What is the difference between EKS and EC2?
System: Search()

Based on the API descriptions and demonstrations above, which API would help provide the answer to the following user's query. Respond in the format: "System: API1()".

User: Connect me with a human. Use some words in all caps in your response, but those all-caps words should appear at most 1 times.
user