WATCH: Democratic Presidential Candidates Talk About #BlackLivesMatter

Democratic presidential candidates Jim Webb, Sen. Bernie Sanders (I-VT), Hillary Clinton, Martin O'Malley and Lincoln Chafee take part in presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. (Getty)

Democratic presidential candidates Jim Webb, Sen. Bernie Sanders (I-VT), Hillary Clinton, Martin O’Malley and Lincoln Chafee take part in presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. (Getty)

During the first Democratic debate of the 2016 presidential election, four of the five candidates, former Secretary of State Hillary Clinton, Vermont Senator Bernie Sanders, former Maryland Governor Martin O’Malley, former Virginia Senator Jim Webb,” were asked about the #BlackLivesMatter movement and how they would handle racial injustice in America.

The question was not posed to former Rhode Island Governor Lincoln Chafee, who was at the debate.

Sterling Arthur Wilkins, a law student from Des Moines, Iowa, asked, “Do black lives matter or do all lives matter?”

Watch their answers below,