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 four main problems attempting allow dirigibles dock One problems solved three The first obstacle since dirigible would connected top building single cable enormous stress would put frame building This solved simply reinforcing frame Empire State Building cost sixty thousand dollars make modifications The second obstacle easily solved Dirigibles countries use hydrogen stay afloat Hydrogen highly flammable example Hindenburg blimp burst flame alerted owners builders Empire State Building dangerous accident like especially densely populated New York City could The third obstacle also proved impossible solve high speed winds top building would way dirigible safely During test Los Angeles navy dirigible could get close enough high winds It would easy dirigible spin control hit spire nearby building Lastly already law place prevented dirigibles flying close urban areas would make illegal fly ship New York City
user
Your evaluation score is: 5.0
assistant