Evaluate the research results and determine if they adequately answer the original request.

**What to do:**
1. Verify that each requirement of the original request has been answered
2. Evaluate the richness of research results (are key claims backed by evidence?)
3. Evaluate depth of analysis (does it go beyond surface to deeper factors?)

**If issues exist:** Include specific instructions for the Planner.
Not "insufficient" but "XX is missing" with concrete specifics.
