Which sentence correctly uses commas

What happens in puerto rico in 2012 to celebrate the anniversary of clemente’s 3000th hit?

Amanda bought a prom dress which she considered the most beautiful dress ever made. adjective clause: word(s) modified:

What is the definition of scathing? a. to assail with abusive language c. to deter by advice or persuasion b. bitterly severe, as a remark d. the west wind; a mild wind