The purpose of this passage is to clarify what a UFO is. The passage tells you that even though UFOs often star in science fiction movies, most UFOs are actually aircraft, kites, clouds, meteors or rocket debris. It also cites a famous case in order to provide evidence for their claim.
1) She enjoyed being on the boats and at sea
2) She was a lively woman and a good leader
3) Her piracy made it difficult for others to travel at sea
4) They were surprisingly similar and found common ground between them.
