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
To building built Over ft tall expect dirigiblesblimbs able dock dangerous many obstacles around First weather always nice If windy day blimb going sway back forth thousands pedestrians New York Putting lead blocks back would dangerous lead back swaying thousands people underneath Secondly blimbs outside US used hydrogen rather helium Hydrogen flammabe could destroy whole building fire spread Finally blimbs could moor Empire State building law airship hover low urban areas Those many reasons blimps could moor Empire State building
user
Your evaluation score is: 4.0
assistant