Choose your answer: is the following review positive or negative?

My friend and I went there today and I liked that it wasn't too loud or quiet. However after placing my order I noticed a cockroach crawling by my foot and not just a regular roach a big ass one! So we left. I'm sure the food is good but we were totally grossed out by the roach.

Select from the following.
(a). negative
(b). positive
(a).