Teacher: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. Among the entities, try to find the best entity that is most likely to fill in "_" and classify the answers based on options.
Teacher: Now, understand the problem? Solve this instance: (CNN) One Friday night this month, Madeline Dahl, a 23-year-old nurse in the cardiology ICU at Seattle's University of Washington Medical Center, received an alert on her cell phone: Someone nearby needed help. Having just finished her shift, Dahl dropped what she was doing at the hospital and ran down five flights of stairs to the street. "It was right during a huge storm, so it was raining, and I was trying to figure out where they would be," she said. "And then I saw Zach was bent over somebody on the ground, so I ran over." Zach Forcade, a 27-year-old medical student, hovered above a man beside a bus stop outside the hospital. Forcade had seen Stephen DeMont fall to the ground and shouted to a passer-by to dial 911 before he performed chest compressions, trying to keep DeMont's heart beating.PulsePoint alerts CPR-trained people that aid is needed nearbyThe app means people in cardiac arrest can get help quicker 
 Questions:DeMont feels grateful to _ and Dahl for the immediate CPR he received. (A) Madeline Dahl (B) ICU (C) Seattle (D) University of Washington Medical Center (E) Dahl (F) Zach (G) Zach Forcade (H) Stephen DeMont (I) DeMont (J) PulsePoint (K) CPR
Student:
(G)