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 builders Empire State Building faced many problems Should apparent ever constructed One problems faced many dirigibles used hydrogen rather helium hydrogen highly flammable This factor caused owners Building worry safety many civilians lived downtown New York Another factor builders face winds constantly shifting due violent air currents This caused problems landing fields blimps could weighted lead weights could done Empire State Building many dirigibles would able reach Building either due winds One last factor faced law airships fly low urban areas This law would make illegal ship ever tie building even approach area All factors caused idea using mooring mast drigibles passengers disappear
user
Your evaluation score is: 5.0
assistant