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
As Empire State Building built allow dirigibles blimps dock workers faced several problems trying accomplish The first obstacles occurr workers framework building The building needed sturdy enough blimp dock harsh winds constantly pushing blimb different directions Without proper frame work would extremely dangerous dock The next obstacle docking hydrogen gas powering dirigibles Hydrogen extremely flammable previous accidents hydrogen blimps The workers realized accident exploding blimps would dangerous densely populated area The final obstacle workers faced harsh wind currents altitude The winds strong blimps could even get close enough dock The workers suggested weighting blimp would lead weights seeing weights would dangling high pedestrians street neither practical safe Trying allow dirigibles dock Empire State Building seemed like good idea As time went obstacles preventing became great finally shut idea
user
Your evaluation score is: 5.0
assistant