Answer:
The <em>parents</em> of <em>Barack Obama</em> were <u><em>Barack Obama Sr.</em></u> & <u><em>Stanley Ann Dunham.</em></u>
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The correct options are one, two and four.
Fixed poetry involves a regular and limited rhyme scheme, restricted metrical arrangements, and a determined set of lines. Poets who follow the rules of fixed poetry usually combine these conditions into more extensive compositions.
B. A semicolon
I believe that would be the answer to your question