{"id":"most-common-word-no-empty-guard","text":"`mostCommonWord` raises `IndexError` if every word is banned or the paragraph has no alphabetic characters — there is no guard on an empty `Counter`, relying on LeetCode's guarantee of a valid answer.","truth_value":"IN","source":"entries/2026/06/06/most-common-word-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"most-common-word-no-empty-guard","truth_value":"IN","reason":"premise"}]}}