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 obstacles getting dirigibles able dock empire state building could nt put fuell top building Putting mooring mast top roof would make unstable putt lot Pressure For happen modify structure roof ended costing After succefully building another obstacle It trying figure dirigibles would nt move around much wind currents They never figured idea disappeared
user
Your evaluation score is: 2.0
assistant