Problem: How does the next paragraph end?

How to collect rain water
Collect run-off water in rain barrels, or even large polyethylene, wood or fiberglass tanks.
Rain barrels are containers that can be bought at your local hardware or home improvement store, or you can make one yourself. Rain barrels are made from plastic and are positioned below down spouts to collect water that runs off of the roof.
A: They have a spout at the bottom to release water. You can connect a garden hose to the valve and use the water in other areas of your yard.

Problem: How does the next paragraph end?

Another man appears swinging around a tennis racket. He bounces a tennis ball on the floor while the other man walks into frame. they
A: talk for a bit while walking around and preparing to play.

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How to care for a pet fox
Build a fenced enclosure.
Outdoor foxes must be fenced in, or else they will run off to hunt or explore. Choose an area at least 100 square feet.
A: Purchase a large wire fence to use as a fox enclosure. Try to choose a sheltered area protected from wind and direct sun.

Problem: How does the next paragraph end?

How to separate salt and sugar
Assess the different grain sizes of salt and sugar.
At first glance, table salt and granulated sugar look very similar, including in size. The minute differences in the average grain sizes of the two, however, does provide an option for attempting separation.
A:
Regular table salt has an average grain size of 100 microns, or 0.01 mm. Note that other types of household salt, such as kosher or pickling salt, will have widely divergent average grain sizes.