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 obstacles builders attempting allow dirigibles dock lack land area currents wind gas used make dirigibles floatThe lack land area problem dirigibles long ft The length four blocks This could problem densely populated area like New York people could danger large objects flying fro close ground It would also obscure light The wind currents factor floors ground wind would buffet large dirigibles around would danger buildings frame wind pressure would transmitted buildings foundation The final obstacle would gas used many foreign dirigibles time hydrogen highly flammable dangerous gas densely populated areas like When German dirigible Hindenburg destroyed fire New Jersey realized much worse accident could New York
user
Your evaluation score is: 5.0
assistant