Here is the passage again:

To keep the cat from sleeping on her new convertible's canvas top. Kim leaves the garden hose out. Like a gunslinger in a Western, she "duels" with Rocky, the family's orange tom, who hisses as vehemently as the forceful spray of water.

The first part is an infinitive phrase fragment. It is missing a main clause, the most important component of a complete sentence.

Go to the next passage.

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