It seems that you have missed the necessary options for us to answer this question, so I had to look for it. Anyway, here is the answer. Since Mary is employed by a multinational firm, and works long hours on a desktop computer and has recently experienced back pain and visited her doctor, the guideline that <span> the doctor would advise Mary to follow is this: SIT BACK ON THE CHAIR. Hope this helps.</span>
I am almost positive the answer is light, but let me know if that is wrong
Answer:
1.wash your hair with shampoo
2.rinse thoroughly with water
3.pour rice water onto your hair
4.massage the rice water into your hair and scalp
5.leave for 20 minutes
6.rinse thoroughly using warm water