Instruct: Classify a given review into positive or negative sentiment.
Query: Frame Corroded in 13 months

We loved this trampoline when we first purchased it. Compared to other models we have had it went together very easily. At 9 months the company had to replace 3 of the top rails due to corrosion and rust that made the tramp unstable and unsafe for my kids to use. Now at 13 months I need the rest of the top rails replaced and the company is giving me a big hassle regarding this. I DO NOT RECOMMEND this trampoline if you expect it to last longer than a year.