{"content":"I'm creating an extremely difficult challenge requiring complex pattern matching, including advanced emails with subdomains and plus signs, phone numbers with extensions, varied date formats (both valid and invalid), IDs with special references, color assignments with negative lookahead considerations, and repeating-group examples that demand backreference constraints.","function_call":{"name":"make_move","arguments":"{\n  \"reasoning\": \"I'm creating an extremely difficult challenge requiring complex pattern matching, including advanced emails with subdomains and plus signs, phone numbers with extensions, varied date formats (both valid and invalid), IDs with special references, color assignments with negative lookahead considerations, and repeating-group examples that demand backreference constraints.\",\n  \"move\": {\n    \"text\": \"Mixing advanced patterns:\\n\\nEmails attempt:\\n- real.email+tag@sub-domain.example.co.uk (VALID)\\n- overshadow@sub-domain.example (INV... (truncated)