Problem: How does the next paragraph end?

A person put the left hand on a dispenser. then
A: , the person takes off a card from a dispenser with the left hand and pass to the right hand that throws it on the table.

Problem: How does the next paragraph end?

How to prepare soil for the application of fertiliser 
Send a sample of soil to a local cooperative extension. 
Collect a sample of your soil by digging a couple of holes that are 5-6 inches (13-15 cm) deep. Then, store the soil in an airtight plastic container or sealable bag and send it to the cooperative extension for tests.
A: They will evaluate the soil and give you recommendations for amendments and fertilizers. Cooperative extension offices test and study agriculture and the environment and can be found at certain universities.

Problem: How does the next paragraph end?

How to keep your ac running strong 
Have your unit serviced regularly. 
One of the best things you can do to ensure that your air conditioner remains functional is to have the unit serviced on a regular basis. Regular service is important, because it will keep the unit performing optimally.
A: Also, service and repair should always be performed by a licensed technician. Performing maintenance on your own could lead to more severe problems, and could void any existing warranties on the unit.

Problem: How does the next paragraph end?

How to get into racing 
Visit your local track. 
Short tracks and road courses are spread throughout the world and you may have one in your area. Travel to the tracks and sit in the grandstands.
A:
Find out which type of racing appeals to you and watch how the race functions. Go-karting is an ideal starting point.