Input:

Aleksandr Danilovich Aleksandrov (Russian: , alternative transliterations: "Alexandr" or "Alexander" (first name), and "Alexandrov" (last name)) (August 4, 1912 July 27, 1999), was a Soviet/Russian mathematician, physicist, philosopher and mountaineer.

Sentence: Aleksandr Danilovich Aleksandrov is a successful mathematician

Output: It's impossible to say

Input:

Cape Vakop ( ) is a headland between Hound Bay and Luisa Bay on the north coast of South Georgia. It was charted by the Second German Antarctic Expedition, 191112, under Wilhelm Filchner. The name appears on a chart based upon surveys of South Georgia in 192630 by DI personnel, but may represent an earlier naming.

Sentence: Cape Vakop's name may have been coined in 1911-1912

Output: Yes

Input:

"I'm So Sorry" is a song by American rock band Imagine Dragons. The song serves as the second promotional single and fourth track from the band's second studio album "Smoke + Mirrors". Along with the songs "Hopeless Opus" and "Gold" on "Smoke + Mirrors", the song touches upon lead-singer Dan Reynolds' depression struggles. The song has peaked at number 14 on the "Billboard" Hot Rock Songs chart.

Sentence: Imagine Dragons are currently working on a new album.

Output: It's impossible to say

Input:

Savoy Brown, originally known as the Savoy Brown Blues Band, are an English blues rock band formed in Battersea, south west London in 1965. Part of the late 1960s blues rock movement, Savoy Brown primarily achieved success in the United States, where they promoted their albums with non-stop touring.

Sentence: Savoy Brown was created in the 1950s

Output:
No