Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): According to Tuder Bompa (2015), periodization is in fact a bundle of methodological concepts whose application can be adapted to specific situations. For this reason it can take many forms and coaches should be aware of the existence of various planning models, each of which is more indicated for certain sports and for certain athletes development levels.
Reason (R) : To achieve best results in sports, coaches should have strong knowledge of exercise physiology and they require to do constant monitoring, assessment and adjustment of the training program.
In the light of the above statements, choose the most appropriate answer from the options given below: