You will be given a definition of a task first, then some input of the task.
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].

(CNN) Squeals of delight echo around the room at Vanderbilt's Children's Hospital in Nashville, Tennessee. Nine-year-old cancer survivor Bryce Greenwell turns to his mother, Jenny. "Did you know about this?" he asks, hands cupped to his face in surprise. "Yes," she says with a nod, smiling from ear to ear. "Oh, my gosh, he has missed you guys so much!" pet therapist Michelle Thompson says as she hands Swoosh, her trained toy Pomeranian, over to two eager boys. "Did you miss him? He talks to me about you boys all the time." "I haven't seen him in a long time," says 7-year-old Mitchell Montalbano, who recently graduated from chemotherapy treatment, cancer-free. "Swoosh, what have you been up to?"Two boys who were treated for cancer treasured their time with therapy dog SwooshA new study looked at the impact of therapy dogs on children and their parents 
 Question:"It was after those first few visits with _ that he would say, 'OK, you know, I'm not going to die.
Output:
Swoosh