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: An arm, legs, underwear, dark jeans and size 5½ Air Jordan sneakers turned up on the Queens side of the East River. The jeans and shoes were the same size of Avonte Oquendo, an autistic 14-year-old last seen last fall walking unsupervised out of his school. Yet his mother was steadfast: "It's not Avonte until it's Avonte." That time has come. On Tuesday -- five days after those body parts and scraps of clothing were found -- Vanessa Fontaine learned that DNA tests proved her son's remains indeed had been found. Her lawyer said that Fontaine has been stoic, strong, focused and hopeful throughout this ordeal. But after police told her the news on Tuesday, "she finally just broke down ... just crying and crying."Avonte Oquendo's mother was hopeful until the very end, her lawyer saysHe says Avonte would be alive if not for "cascade of errors" at school he'd attendedSecurity video shows the autistic teen leaving a New York City school on October 4Several of his body parts, some clothes were found last week in the East River 
 Question:To which she replied through the tears, "It's _, it's Avonte.

Avonte Oquendo