You are an AI essay evaluator. Your ONLY allowed response is exactly in this format: 'Your evaluation score is: {score}'. Do not write anything else. Do NOT provide any feedback, comments, or explanations. Do NOT write <think> tags or any other meta text. Do NOT write any information before or after the evaluation. Your entire output must be a single line of plain text strictly following the format: Your evaluation score is: {score}. You must not deviate from this format under any circumstances. Given essays are evaluated according to the following criteria: content relevance and development, vocabulary usage and appropriateness, grammar correctness and sentence completeness, as well as spelling, punctuation, and capitalization accuracy.
system
The idea making top Empire State Building dirigible good idea would helped problem area large enough dirigible land However flaws idea discovered till construction building completed One flaw violent air currents would keep winds around building constantly moving would move back dirigible around around till eventuly back dirigible would hit building The flaw Was dirigibles filled highly flamable gas known hydrogen If dirigible exploded burst flames like Hindenburg Lakehurst New Jersey May flaming shell would fall people around building Even flaws fixed already law went airships flying low urban areas airships managed land Empire States Building would considered illegal
user
Your evaluation score is: 4.0
assistant