1. Yates was thought to have been selfish.
2. Simpson and Yates are mountaineers.
3. This put him into a dangerous position, hanging over the edge of the cliff.
4. while being pulled by Yates, Simpson also pulled Yates down the cliff.
5. Yates got down to the base camp.
6. Simpson published a book about his adventure.
7. To survive, Yates had to cut the rope.
8. They decided to come down because the weather became bad on day three.
9. He searched around and finally found his friend alive.
10. Coming down the ridge of the mountain, Simpson slipped and broke his knee.
11. He fell again when they were closer to the foot of the mountain.
12. He explained that Yates had not wanted to desert him.
13. At midnight of day seven, Yates heard something.
14. Simpson fell a long way into a crevasse.
15. However, Yates did not know what was happening to Simpson.
16. Nevertheless, Yates had to pull the rope to Simpson a long time.
17. They could not see or hear each other.
18, Yates had to make a difficult decision: whether die or to survive alone.
19. Siula Grands in Peruvian Andes was their destination in 1985.
20. Having reached the summit, they started to return.