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
Builders Empire State Building faced many obstacles attempting allow dirigibles dock construction During The creation mooring mast architects figure place top building stress load wind pressure would add stress building s frame instead transmit load pressure foundation modifying strengthening steel frame building Builders also wantd mast aesthetically pleasing needing make tower shiny glass chromenickel stainless steel rising conical roof illuminated inside After creation Of mooring mast difficulties arose The safety mast issue hydrogenusing blimps outside US highly flammable German dirigible Hindenburg caught fire result The winds top building created danger constantly shifted violent air currents Dirigibles would swivel around mooring mast Another obstacle law forbidding airships flying low urban areas It would illegal therefore dirigible tie building Or even fly close area
user
Your evaluation score is: 5.0
assistant