Determine if the sentence is true based on the text below.
Nikolai Haitov is a writer.

The book contains short stories by the famous Bulgarian writer, Nikolai Haitov.
yes
Determine if the sentence is true based on the text below.
Out of an old bulldozer, Heemeyer built a concrete box that no police bullet could penetrate.

Heemeyer cut portholes for his guns, then welded a tight enclosure around them so police bullets could not penetrate.
no
Determine if the sentence is true based on the text below.
African countries encourage keeping animals alive to attract tourists.

Tourists pay millions of dollars a year to come and see Africa 's wildlife and smugglers pay millions more in strictly illegal purchases of ivory and rhino horn from poachers.
no
Determine if the sentence is true based on the text below.
The Army Of National Liberation are supporters of Castro.

Bogota, 4 May 88 - The dissemination of a document questioning Colombia's oil policy, is reportedly the aim of the publicity stunt carried out by the pro-Castro Army Of National Liberation, which kidnapped several honorary consuls, newsmen, and political leaders.
yes