Input:

The 1997 Porsche Tennis Grand Prix was a women's tennis tournament played on indoor hard courts at the Filderstadt Tennis Club in Filderstadt in Germany that was part of Tier II of the 1997 WTA Tour. It was the 20th edition of the tournament and was held from 6 October through 12 October 1997. First-seeded Martina Hingis won the singles title, her second consecutive at the event.

Sentence: Martina Hingis was the top seed when she won her first singles title.

Output: No

Input:

The Chingford branch line is a railway line between Clapton Junction (just west of Clapton station) and Chingford station. Services currently operate between Liverpool Street station and Chingford. The branch is currently part of the Lea Valley Lines network.

Sentence: Liverpool Street station has issues with the homeless.

Output: It's impossible to say

Input:

Americana Deluxe is the second studio album by Big Bad Voodoo Daddy. This album is also sometimes called "Big Bad Voodoo Daddy", as the album cover prominently displays a stylized "Big Bad Voodoo Daddy" logo and does not feature the phrase "Americana Deluxe" on it. However, the liner notes and the band's website clearly show that the true title is indeed "Americana Deluxe".

Sentence: The omission of the actual title of the album was actually a mistake by the record company and the liner notes were added to clarify.

Output: It's impossible to say

Input:

Earlly Mac is an American rapper from Detroit, Michigan, who is best known for his collaborations with American rapper Big Sean. In 2010 he released his debut mixtape, "Party Up!". His debut EP, "God Knows", was released in January 2015, by Foolay Ent., LLC. The EP included the single "Do It Again" featuring Big Sean, which peaked at number 6 on the "Billboard" Twitter Emerging Artists chart.

Sentence: Detroit is his favorite city

Output:
It's impossible to say