Expect continuations/development efficiency depend on which of 6322,6331,6421,6430,and more rare extreme distributions are allowed in 2M. May 2M have other Major 4,5,6? Or can responder know no oM explore needed? Suit quality good enough for slam with M-Qx? Or need much better/ask and find M-2xtops? Or purely to win on best-guess by responder? No blab leaves defensive error likely. Summarize: 1. decide intent strategic/tactic, 2. decide constraints matching that intent