Develop a statistical test to distinguish two prodcuts

I have a data set from a customer survey, I want to deploy a statistical test to see whether there is significance difference between product 1 and product 2.

Here is a data set of customers' reviews.

The rate is from very bad,bad,okay,good,to very good.

customer    product1    product2
1           very good   very bad
2           good        bad
3           okay        bad
4           very good   okay
5           bad         very good
6           okay        good
7           bad         okay
8           very good   very bad
9           good        good
10          good        very good
11          okay        okay
12          very good   good
13          good        good
14          very good   okay
15          very good   okay

What methods should I use to see if there is any difference betw these two products?