What happens next in this paragraph?

How to determine benadryl dosage for dogs
Find how many milligrams are in a pill of benadryl.
Different stores will sell benadryl at different concentrations. Read the label to determine how many milligrams of diphenhydramine a single pill of benadryl contains.
Choose your answer from: a). It may take a few tries before you find out how much diphenhydramine is in the pill. The benadryl content may not be clear. b). It's common for benadryl tablets to contain 25 mg, but some may contain a higher or lower amount. If you need to obtain benadryl, it should be available at any drug store, pharmacy, or supermarket. c). This will tell you how much to dose. Note that it may seem like a few milligrams depending on how light or dark the injection with benadryl is. d). Take one pill, and write down the dosage in a pill notebook. You should also determine how long you intend to keep the tablets, whether it be the daily dose or the overnight dose you will be injecting.
b).