Review Is this contaminated?

Hi Knotsberry Farm. Lychee Nata de Coco Jelly is my most favorite among all jellies in the supermarket. I was wondering if the batch of cups we ate is contaminated because there was one cup which looks like contaminated. It has a different color among the rest and it's the first time I have seen such cup. My 8 year old daughter was eating with me and showed me the cup which has a different color. Good thing she did not open it yet but we already finished the other cups in the whole package. I hope that I get an explanation on my query why there's one that looks contaminated in the package that I got.