What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.
Text: According to court documents, Matthew Mitchell claims he was served cleaning solution, Urnex Urn & Brewer Cleaner, at a Greenwich, Connecticut, Starbucks in late August instead of a hot black coffee.
user
moderately negative
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