Does "The back pages are devoted to puzzles and contain sudoku, "Killer Sudoku", "KenKen", word polygon puzzles, and a crossword simpler and more concise than the main "Times Crossword"." contain the correct answer to "The Times features a puzzles section called what?"

A: no

Does "On the night of December 25, 1991, at 7:32 p.m. Moscow time, after Gorbachev left the Kremlin, the Soviet flag was lowered for the last time, and the Russian tricolor was raised in its place, symbolically marking the end of the Soviet Union." contain the correct answer to "What went down after Gorbachev departed from the Kremlin?"

A: yes

Does "Additional hydrogen can be recovered from the steam by use of carbon monoxide through the water gas shift reaction, especially with an iron oxide catalyst." contain the correct answer to "How can it be recovered through steam?"

A:
yes