# Advisor chain: what decides who runs first

registered as C300, A100, B200 (the number is HIGHEST_PRECEDENCE + n)
call:   A100> B200> C300> model C300< B200< A100<
stream: A100> B200> C300> model C300< B200< A100<

plus one advisor added on the request with .advisors(...) at n=150:
call:   A100> R150> B200> C300> model C300< B200< R150< A100<
