Answer
1. RESTRICTIVE; no commas needed.
2. RESTRICTIVE; no commas needed.
3. NONRESTRICTIVE; commas are needed.
4. NONRESTRICTIVE; commas are needed.
5. RESTRICTIVE; no commas needed.
<span>In order for the team to succeed, everyone must to do his or her best.</span>
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.
I think the answer is (A)