query: Cancer patient travels back in time to WW2 to prevent the development of a cure for cancer
positive_passages.docid: 155646
positive_passages.text: I need help identifying a short science fiction story about cancer as human evolution
negative_passages.docid: 61741
negative_passages.text: To tell the name of a person I met in the past
negative_passages.docid: 137332
negative_passages.text: A person who cannot understand that there may be other perspectives
negative_passages.docid: 104183
negative_passages.text: Short story with space microbes latching onto electromagnetic fields
negative_passages.docid: 83993
negative_passages.text: Has medical progress stopped human evolution?
negative_passages.docid: 144157
negative_passages.text: Dystopian story where medicine is illegal
negative_passages.docid: 55772
negative_passages.text: Time/space traveling story where a person travels through a portal in the London Underground
negative_passages.docid: 31363
negative_passages.text: A girl who transcends time
negative_passages.docid: 140686
negative_passages.text: Modern military jet goes back to World War I
negative_passages.docid: 11307
negative_passages.text: Is time travel possible? Is it possible to go back in time?
negative_passages.docid: 75962
negative_passages.text: Story about a person who could speed up temporarily
negative_passages.docid: 113926
negative_passages.text: Story about a space war, and a human prisoner of war captured by alien enemy
negative_passages.docid: 80531
negative_passages.text: Story about plagiarism by means of time machine
negative_passages.docid: 39408
negative_passages.text: Need help identifying short story about retired military colonel who fought war at end of time
negative_passages.docid: 48288
negative_passages.text: Short story; war where speed of time changes with distance from front line
negative_passages.docid: 156483
negative_passages.text: How did Captain America change World War 2?
negative_passages.docid: 22549
negative_passages.text: Why couldn't Ellie's experience be corroborated by simply re-using the machine?