Is there a clear contradiction between 'I thought it was lacquer thinner.' and 'I didn't think it was at first, but it turns out what I was trying to use was actually lacquer thinner, so that would explain why it wasn't working.'
I thought it was lacquer thinner.###I didn't think it was at first, but it turns out what I was trying to use was actually lacquer thinner, so that would explain why it wasn't working.