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which sentence contains a correctly punctuated appositive phrase?

1) dr. banks, our family doctor, was born in colorado.

2) dr. banks our family doctor was born in colorado

3) dr., banks, our family doctor was born in colorado.

4) dr. banks our family doctor, was born in colorado.

the civil rights act was passed on april 9, 1866 by a republican dominated congress. it was passed over president johnson's veto, in an effort to push back against discrimination of african americans.

the answer is b. the tracer looks harmless in flight, but the pilot’s bitten lips and white knuckles suggest how dangerous it can be.