Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Their sons -- Trayvon Martin, Michael Brown, Tamir Rice and Eric Garner -- have become symbols of a raging national conversation about police brutality and racial injustice. The mothers of these four unarmed black men and boys felled by bullets or excessive police force have no doubt their sons would still be alive if they were white. No question, they say. "I think absolutely my son's race and the color of his skin had a lot to do with why he was shot and killed," Sybrina Fulton, Martin's mother, told CNN's Anderson Cooper on Friday. "In all of these cases, these victims were unarmed. These victims were African-American. That needs to be our conversation."The mothers of Trayvon Martin, Michael Brown, Tamir Rice and Eric Garner meetMartin's mother: All four victims were unarmed and African-AmericanIf Garner were white, he would be alive today, his mother says 
 Question:... Because people are now realizing ... it's not just about _ rights ... it's about human rights."

African