Answer:
Number 4
Explanation:
I think its number 4 because those two foods are meats and are the most likely to cross contact each other and they are not cooked.  
 
        
                    
             
        
        
        
A and D, hope this helps :)
        
             
        
        
        
I agree with the taco person, D is most likely the correct answer!
        
                    
             
        
        
        
The answer is B. Spine stretch
Spine stretch is an exercise to stretch your back bone, which mean your upper body, not the lower one.
NB :
Hip Flexor : To stretch your thigh
Calf stretch & Harmstring stretch : To stretch your lower legs