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 obstacles attempting add dirigible docking station top building As says paragraph The greatest obstacle successful use mooring mast nature Wind could cause serious saftey hazard spinning back docked dirigible around Also dirigibles highly flammable If explosion Hindenburg took place top Empire State Building would catastrophic Attempting moor dirigible top building dangerous It illegal There existing law airships flying low urban areas paragraph fact mooring dirigible illegal extreemely dangerous obstacle builders faced It also daunting task Builders would learn new technologies operating system US Naval Air Station After researching builders reliezed would strenghen frame Over sixty thousand dollars worth modifications made building s framework paragraph The obstacles builders faced proved enough reason never use mooring
user
Your evaluation score is: 5.0
assistant