Problem: In the mathematical field of topology, the Alexandroff extension is a way to extend a noncompact topological space by adjoining a single point in such a way that the resulting space is compact. It is named for the Russian mathematician Pavel Alexandrov.

Based on the paragraph above can we conclude that "It is also a way to extend the compact topological space"? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Problem: Rene Kalmer (born 3 November 1980 in Roodepoort, Gauteng) is a female South African runner who has competed over distances ranging from 800 metres to the marathon. She represented South Africa at the 2008 Summer Olympics, running in the 1500 metres. She then represented South Africa again at the 2012 Summer Olympics, competing in the marathon.

Based on the paragraph above can we conclude that "Rene Kalmer likes to stay up late and watch tv"? OPTIONS:
- Yes
- It's impossible to say
- No

A: It's impossible to say

Problem: Mate Pavic (born 4 July 1993) is a Croatian professional tennis player specialising in doubles. Mate won the 2016 US Open mixed doubles title in partnership with Laura Siegemund, and reached the 2017 Wimbledon Championships men's doubles finals partnering Oliver Marach.

Based on the paragraph above can we conclude that "Mate Pavic was born in 1992"? OPTIONS:
- Yes
- It's impossible to say
- No

A:
No