Write the next sentence in the following story.

How to fertilize a lawn
Know your grass.
The type of grass you have will determine what type of fertilizer you need to use, and how often you need to fertilize. Some regions have primarily warm season grasses, while others have primarily cool season grasses.

Possible answers: a. Common grass-based fertilizers include : Green grass]-this type of grass grows best in warm to sunny lawns. Green grass doesn't grow as well as wheat grass, and comes in much more strong colors than wheat grass.. b. Knowing exactly what your grass needs, and the type of flowers you need may be crucial to figuring out your exact purpose for using your grass. Check your local government for an accurate estimate of what needs to be fertilized.. c. Warm season grasses you can use should fertilize within a few weeks of their flowering time. Cooler season grasses like long grasses and late spring grasses should be used sparingly.. d. If you don't know what type of grass is growing in your yard, ask your neighbors who have similar grass, or take a sample to your local garden center. Warm season grasses grow primarily in the southern regions of the us... The answer should be
d.