Problem: Marks was a manor house located near Marks Gate at the northern tip of the London Borough of Barking and Dagenham in London, England, the house standing on what is now Warren Hall Farm. The name Marks (historically Markes) is believed to have been derived from the "de Merk" family who build the original manor in the 14th Century. The manor house was demolished in 1808

Based on the paragraph above can we conclude that "The manor house was demolished before the 1900s."?

A: Yes

Problem: Plainfield South High School, or PSHS, is a four-year public high school located in Joliet, a southwest suburb of Chicago, Illinois, in the United States. It is part of the Plainfield Community Consolidated School District 202, which also includes three other high schools: Plainfield Central High School, Plainfield North High School and Plainfield East High School.

Based on the paragraph above can we conclude that "PSHS is a part of district 202"?

A: Yes

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 "A number of findings in topology are named after Pavel Alexandrov."?

A:
It's impossible to say