Problem: How does the next paragraph end?

How to do judo 
Find your local judo class. 
Look to make sure there are people there of your own size and weight. You can learn the most by training with people who are a similar size to yourself.
A: But make sure that the coach is a black (or red) belt (the highest rank, depending on your country), especially above 1st degree. Having an experienced instructor is important not just for quality of learning but also for your safety! Get the kit.

Problem: How does the next paragraph end?

How to care for a hermit crab (purple pincher ) 
Obtain a tank. 
10 gallons (37.9 l) is good for a few small crabs but for jumbo crabs you will need a 20 gallon (75.7 l) tank. 10 gallon (37.9 l) tanks are about $13 and 20 gallon tanks are about $31.
A: Avoid buying starter kits at pet stores, because they don't hold humidity in. Get the accessories, you need something to climb on such as; choya wood, driftwood, or mesh at the back of the cage.

Problem: How does the next paragraph end?

People sail in a boat in a river, and a man pulls a string of a person that sets up to perform water ski. Then, the person water ski behind the boat while people watch. the person
A: falls in the water, but stands again and continues doing water ski.

Problem: How does the next paragraph end?

How to make dishwasher detergent tabs 
Combine equal amounts of washing soda and borax. 
You will need 2 cups (500 g) of washing soda and 2 cups (818 g) of borax. The washing soda will help eliminate grease, while the borax will help disinfect the dishes.
A:
If you cannot find washing soda, you can try using baking soda. Add 1/2 cup (150 g) of salt and 15 to 20 drops of lemon essential oil.