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 multitude obstacles attempting allow dirigibles dock One problem nature According text The winds top building constantly shifting due violent air currents The wind would make difficult dirigible get close enough mooring mast get tied even tied wind would cause keep moving around mooring mast making impossible passengers exit Another obstacle way allowing dirigibles dock Empire State Building preexisting law airships flying low urban areas In text states This law would make illegal ship ever tie building even approach area This black white problem allowing dirigibles dock Empire State Building A final perhaps greatest obstacle allowing dirigibles dock Empire State Building safety In excerpt states Most dirigibles outside United States used hydrogen rather helium hydrogen highly flammable This creates safety hazards passengers employee s dirigible also densely populated area downtown New York
user
Your evaluation score is: 5.0
assistant