Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.

[EX Q]: Question: Does combined isometric and vibration training enhance strength beyond that of isometric training alone?
Answer: The present study provides evidence to suggest that there are no greater gains to be incurred by the addition of a vibratory stimulus to traditional strength training.
[EX A]: no

[EX Q]: Question: Are health promotion lifestyle profile scores associatedwith obesity in high school students?
Answer: Adolescence is an era of development when individuals start to implement their own features to life. According to this study adolescents do not perform health promoting lifestyles whether they are obese or not.
[EX A]: no

[EX Q]: Question: Is optimal debulking surgery an independent prognostic factor in patients with FIGO IIIC primary epithelial ovarian carcinoma?
Answer: To improve survival of patients with FIGO stage IIIC epithelial ovarian carcinoma, optimal debulking surgery should be performed as the initial form of surgical intervention.
[EX A]:
yes