Help me please

Quote:

Originally Posted by contenteditor

Which is correct?

Mary's life was drastically altered by a not uncommon event, namely an alcohol-related car accident, which paralyzed her.

Mary's life was drastically altered by a not uncommon event, namely an alcohol related car accident, which paralyzed her.

Mary's life was drastically altered by a not-uncommon event, namely, an alcohol-related car accident, which paralyzed her.

Mary's life was drastically altered by a not uncommon event, namely, an alcohol-related car accident, which paralyzed her.

Which one do you think is correct, and why?

	Mary's life was drastically altered by a not uncommon event, namely an alcohol-related car accident, which paralyzed her.
	Mary's life was drastically altered by a not uncommon event, namely an alcohol related car accident, which paralyzed her.
	Mary's life was drastically altered by a not-uncommon event, namely, an alcohol-related car accident, which paralyzed her.
	Mary's life was drastically altered by a not uncommon event, namely, an alcohol-related car accident, which paralyzed her.