Input:

Sierpe River (Spanish: "Rio Sierpe") is a river of Costa Rica. Boat traffic is common with both locals and tourists. A broad range of wildlife can be seen from the American Crocodile, various other reptile species, and exotic fish and birds. It joins the Rio Terraba.

Sentence: The Sierpe River is an excellent place for tourists to visit.

Output: It's impossible to say

Input:

The University of North Dakota (also known as UND or North Dakota) is a public research university in Grand Forks, North Dakota. Established by the Dakota Territorial Assembly in 1883, six years before the establishment of the state of North Dakota, it is the state's oldest.

Sentence: The University of North Dakota was established before any other school for higher learning in North Dakota.

Output: It's impossible to say

Input:

Calendar Girl is the debut solo studio album by Australian recording artist Sophie Monk, released on 5 May 2003 by Warner Music. It debuted at No. 35 March 2003 on the ARIA Albums Chart top 50. The album was mixed with contemporary pop as well as the religious classics tracks "Pie Jesu", "Ave Maria" (Interlude) and "Ave Maria".

Sentence: Calendar Girl was the only album made by Australian recording artist Sophie Monk

Output: It's impossible to say

Input:

The San Nicolao Tunnel is a motorway tunnel in the Swiss canton of Ticino. The tunnel is situated under the Monte Ceneri Pass that separates the north of the canton around Bellinzona from the south of the canton around Lugano. It forms part of the A2 motorway that links the north of Switzerland with Italy. It was completed in 1984, and is 1412 m in length.

Sentence: The San Nicolao Tunnel took more than 15 years to construct

Output:
It's impossible to say