Question

Read the sentence.

The squirrel who ran in circles around the circumference of the tree chattered angrily at the curious cat.

Which correctly revises the sentence?

1.
1. The squirrel, who ran in circles around the circumference of the tree, chattered angrily at the curious cat.
2.The squirrel who ran in circles around the circumference of the tree, chattered angrily at the curious cat.
3.The squirrel, who ran in circles around the circumference of the tree chattered angrily, at the curious cat.
4.The squirrel who ran in circles around the circumference of the tree chattered angrily, at the curious cat.

Answer 1

The correct answer is the first one. 

That is because of the placement of commas. In this case, commas have been placed before and after the extra or unimportant phrase.

They have been placed before and after the subjects of the sentence to keep off the extra phrase.

Answer 2

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The correct answer is the first one. 

That is because of the placement of commas. In this case, commas have been placed before and after the extra or unimportant phrase.

They have been placed before and after the subjects of the sentence to keep off the extra phrase.