Explanation:
Option 1 is 
Property is : 
So, 
Option 2 is 
We can write it as : 
Option 3 is 
Property is : 
So,

It is clear that option a and c are same. But option b is different.
Answer:
People who suffer from chronic migraines should consult their doctor to get their opinion and a potential diagnosis. Migraine can be formed by pinched nerves, stress, or a potential disorder. If you have a migrain, in order to self treat it you should lay down in a dark room with a cool rag over your eyes. Too much movement can cause dizziness and in worse cases hallucinations.
Answer: Bitter
Explanation:
The taste of Bitterness is the strongest tast located on the back of the tounge. Sweet is in front, salty and sour is on the sides.