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 prevented dirigibles landing It dangerous tether dirigibles mast building four main reasons The first dirigible moored mast building would add stress building s frame This problem soon solved however steel frame changed became strong enough endure added stress Another reason dirigibles could attached Empire State building dirigibles highly flammable use hydrogen gas It became apparent dirigible catch fire downtown New York would terrible risk Dirigibles also could nt attached mast winds top building would cause back ship swivel around around mooring mast would safe Finally dirigibles could moored Empire State building sharp spires buildings area could puncture dirigible s shell The dirigibles could fly low without posing risk people Dirigibles could land Empire State Building many dangers
user
Your evaluation score is: 5.0
assistant