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
In order let dirigibles dock Empire State Building many changes made The builders planners faced many obstacles First even consider idea consult experts meant taking tours research They find safe way mooring airships mast The next obstacle paragraph Docking dirigible building would put stress building s frame The builders modify strengthen frame One last obstacles face designing tower The builders eventually decided rocket shaped mast four wings corners house mooring arm They house machinery winch derigible Overall builders make drastic changes spend lot money something nt even safe end
user
Your evaluation score is: 4.0
assistant