TASK DEFINITION: In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.
PROBLEM: passage: In mathematical analysis, the rational numbers form a dense subset of the real numbers. The real numbers can be constructed from the rational numbers by completion, using Cauchy sequences, Dedekind cuts, or infinite decimals.
 question: is every rational number is a real number?

SOLUTION: Yes

PROBLEM: passage: Alien: Covenant is a 2017 science fiction horror film directed and produced by Ridley Scott and written by John Logan and Dante Harper, from a story by Michael Green and Jack Paglen. A joint American and British production, the film is a sequel to Prometheus (2012), the second installment in the Alien prequel series and the sixth installment overall in the Alien film series, as well as the third directed by Scott. The film features returning star Michael Fassbender and Katherine Waterston, with Billy Crudup, Danny McBride and Demián Bichir in supporting roles. It follows the crew of a colony ship that lands on an uncharted planet and makes a terrifying discovery.
 question: was there a sequel to the movie prometheus?

SOLUTION: Yes

PROBLEM: passage: In terms of the relational model of databases, a table can be considered a convenient representation of a relation, but the two are not strictly equivalent. For instance, an SQL table can potentially contain duplicate rows, whereas a true relation cannot contain duplicate tuples. Similarly, representation as a table implies a particular ordering to the rows and columns, whereas a relation is explicitly unordered. However, the database system does not guarantee any ordering of the rows unless an ORDER BY clause is specified in the SELECT statement that queries the table.
 question: if a table contains a primary key there can be no duplicate records in a table?

SOLUTION:
No

