In the given exercise, an Assertion is followed by the corresponding Reason. Mark the suitable answer from the given options:
  
1.
Assertion:Tobacco is made from the leaves of tobacco plants. It's a highly addictive drug.
Reason:Nicotine, which is found in cigars, cigarettes, bidis, pipes, and hukkah, is an addictive substance that causes addiction.
 
2.
Assertion:Smoking is the leading cause of chronic bronchitis and pulmonary tuberculosis.
Reason:Tobacco smoking promotes inflammation of the throat and bronchi.