Input:

Holger F. Struer was a Danish chemist and founder of "H. Struers Chemiske Laboratorium" (In Danish: "Struers Kemiske Laboratorium") in 1875 at Skindergade 38, the centre of Copenhagen. Struers introduced in 1943 Micropol, a new principle for electrolytic polishing which made the preparation process within metallography more controlled in order to achieve better preparation results.

Sentence: The 1943 Micropol was introduced in 1957

Output: It's impossible to say

Input:

"Upside Down" is a song written, co-produced, and performed by Jack Johnson for the film "Curious George". It is the first track and first single from the album "Sing-A-Longs and Lullabies for the Film Curious George", which was released in February 2006.

Sentence: Upside Down was released in 2006.

Output: Yes

Input:

Tomato sauce (also known as Neapolitan sauce, and referred to in Italy as Salsa di pomodoro) refers to any of a very large number of sauces made primarily from tomatoes, usually to be served as part of a dish (rather than as a condiment). Tomato sauces are common for meat and vegetables, but they are perhaps best known as sauces for pasta dishes.

Sentence: Tomato sauce is used in stews.

Output: It's impossible to say

Input:

PSRB1919+21 is a pulsar with a period of 1.3373 seconds and a pulse width of 0.04 seconds. Discovered by Jocelyn Bell Burnell and Antony Hewish on November 28, 1967, it is the first discovered radio pulsar. The power and regularity of the signals were briefly thought to resemble an extraterrestrial beacon, leading the source to be nicknamed LGM-1 (for "little green men").

Sentence: PSR B1919+21 was discovered by three women.

Output:
No