context: How to write murder mysteries
Read as many murder mysteries as you can as it will expand your knowledge.
The more you learn about them, the better. By watching murder mysteries as well as reading them you may gather some ideas about how murders are solved.
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next sentence for the context: Watching real life cop shows may also help. If you are serious about writing and can get the permission, it may be a good idea to shadow a detective team or at least ask them how murder investigations work.

context: How to care for a zebra danio
Purchase a ten-gallon tank or larger.
Danios are social animals and need space for themselves and their friends. The tank should come equipped with an exterior power filter, a bio-wheel, and an aquarium heater.
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next sentence for the context: Because they are hearty, it is generally possible to keep danios without a heater. However, a heater is good for maintaining optimal conditions, especially if you plan to breed the danios.

context: How to paint a garage door
Pick a day with mild, clear weather to paint.
Climate conditions can have a big impact on the quality of exterior paint, especially when it's fresh. Try to schedule your project for a stretch that's not too hot, cold or humid.
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next sentence for the context: Be particularly wary of precipitation, as excess moisture can easily undo all of your hard work. The next couple of days after you paint should also be clear in order to give new paint a chance to set properly.

context: How to plan fun winter activities for your family
Learn to ski or snowboard.
Skiing and snowboarding are two very popular winter activities for families, especially at resorts and lodges. Most resorts provide skiing opportunities for people of any skill level, from beginner bunny slopes to more advanced black diamond trails.
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next sentence for the context:
Cross-country skiing is also an option, especially if someone in your family doesn't care for heights or inclines. For the more adventurous or athletic family members, snowboarding can be a great winter activity.