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 numerous technical safety problems creating building s dirigible mooring mast First dirigible moored mast one cable would put enormous stress frame building The building s frame strengthened first allow project When mast finished several problems prevented use The mast designed make building center travel dirigibles countries used hydrogen fly instead helium Earlier German blimp Hindenburg destroyed hydrogen flammable It realized disaster would much catastrophic happen densely populated city like New York Also blimps moored mast would blown around violent winds possibly pushing nearby buildings The lead weights normally used prevent would left dangling pedestrians major safety issue law prohibiting dirigibles flying low urban settlements making use mast illegal These problems doomed mooring mast project start
user
Your evaluation score is: 5.0
assistant