[Q]: Objective: To eliminate cigarette smoke odors, OPTIONS:
- place bowls of white vinegar or ammonia around your house and discard after the odor is gone, wipe down the surfaces with vinegar and water, shampoo hardwood floors, and vacuum and air out mattresses and upholstery.
- place bowls of white vinegar or ammonia around your house and discard after the odor is gone, wipe down the surfaces with vinegar and water, shampoo carpeted floors, and vacuum and air out mattresses and upholstery.
[A]: place bowls of white vinegar or ammonia around your house and discard after the odor is gone, wipe down the surfaces with vinegar and water, shampoo carpeted floors, and vacuum and air out mattresses and upholstery.

[Q]: Objective: To make your free standing bookshelf more stable. OPTIONS:
- Attach a premeasured sheet of plywood to the back of the bookshelf using a hammer and nails.
- Attach a sheet of plywood to the back of the bookshelf using a hammer and nails.
[A]: Attach a premeasured sheet of plywood to the back of the bookshelf using a hammer and nails.

[Q]: Objective: Reduce risks of heart disease. OPTIONS:
- Take regular trips to fast food places.
- Take regular naps.
[A]: Take regular naps.

[Q]: Objective: How do I chill the pureed bananas when making banana ice cream? OPTIONS:
- Chill the pureed bananas in the pantry for at least 5 hours.
- Chill the pureed bananas in the refrigerator for at least 5 hours.
[A]:
Chill the pureed bananas in the refrigerator for at least 5 hours.