This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
In a well designed clinical trial of treatment of ovarian cancer, remission rate at one year is similar for a new drug and usual care, The P-value is 0.4. This means that 
Select and explain. 
A. Both treatments are effective, B. Neither treatment is effective, C. The statistical power of study is 60%, D. The best estimate treatment effect is 0.4
B: Neither treatment is effective
Answer: B: Neither treatment is effective 
Explanation: The facilities is not effective at the given particular treatment centers.