Which couple is the Power Couple of the Week (Valentine's Day Edition)?

• Priya Dayananda, Vinay Singh

• Yanan Guan, Michael Zhang

• Gina Rosenblum, Jack Levenbrown

• Jessica Chesnutt, Natalie Sauro

• Emily Kelton, Edward Owens

• Parisa Sabeti, Ted Zagat

• Alanna Kelly, Oliver Gottfried

• Jessica Holzer, Hans Nichols

• Lyneisha Vaughn, Edward Perez

• Casey Cohen, Scott Segal

• Kendall Burman, Eric Volkman

• Stephanie Reveron, Cristian Farías

• Elizabeth Bennett, Thomas Fallows