Ken is a microbiologist. He got two samples of yeasts, yeast A and yeast B, from two different businesses. Yeast A is used in a bakery, and yeast B is used in a brewery. He has to decide the characteristics of each yeast sample for further study. Interestingly, despite all his curiosity, Ken doesn't like any yeast to be around him. Given the paragraph above, please answer correctly the following question: If Ken doen't like any yeast around him, which yeast he should not worry about, yeas A or yeast B?
The answer to this question is:
yeast A