context: How to relieve head congestion
Get a decongestant.
A decongestant usually contains a cocktail of drugs to treat the multiple symptoms associated with congestion. In most cases, they are combined with an analgesic such as acetaminophen, ibuprofen, or aspirin to relieve headaches and sinus pain.
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next sentence for the context: These can be purchased over-the-counter at a drug store. Many decongestants such as phenylephrine and pseudoephedrine narrow the blood vessels to clear out nasal congestion.

context: A middle aged man is standing in the street wearing rollerblades. The man precisely skates in-between a tight row of small cones. the man
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next sentence for the context: does a handstand after completing the course and goes back to the beginning.

context: How to cook ugali
Buy the right flour and gather your tools.
Look for corn flour or maize flour at the store. In addition to the flour and water you will need a saucepan and a wooden spoon, as well as a stove to cook the ugali on.
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next sentence for the context: The saucepan will need to be big enough to hold the 6 cups of ingredients with room to vigorously stir them around. You can use cornmeal if you can't find the flour at the store but the consistency will be very different.

context: How to adjust a garage door spring
Recognize side-mounted extension springs.
There are two kinds of springs your garage door might use: side-mounted extension springs or torsion springs. Before you can adjust the spring on your garage door, you must determine what kind of springs your door has.
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next sentence for the context:
Side-mounted springs are easier to adjust, while torsion springs are more dangerous to meddle with, so you would be better off calling a professional if you have these. Side-mounted extension springs run above and parallel to the door track, and they'll have an attached pulley and cable.