Definition: In this task, you're given two sentences. Indicate if the first sentence clearly entails the second sentence (i.e., one can conclude the 2nd sentence by reading the 1st one). Indicate your answer with '1' if the first sentence entails the second sentence, otherwise answer with '0'.

Positive Example 1 -
Input: Sentence 1: No Weapons of Mass Destruction Found in Iraq Yet. Sentence 2:Weapons of Mass Destruction Found in Iraq.
Output: 0

Positive Example 2 -
Input: Sentence 1: A place of sorrow, after Pope John Paul II died, became a place of celebration, as Roman Catholic faithful gathered in downtown Chicago to mark the installation of new Pope Benedict XVI. Sentence 2: Pope Benedict XVI is the new leader of the Roman Catholic Church.
Output: 1

Negative Example 1 -
Input: Sentence 1: Valero Energy Corp., on Monday, said it found "extensive" additional damage at its 250,000-barrel-per-day Port Arthur refinery. Sentence 2: Valero Energy Corp. produces 250,000 barrels per day.
Output: 0

Negative Example 2 -
Input: Sentence 1: A man is due in court later charged with the murder 26 years ago of a teenager whose case was the first to be featured on BBC One's Crimewatch. Colette Aram, 16, was walking to her boyfriend's house in Keyworth, Nottinghamshire, on 30 October 1983 when she disappeared. Her body was later found in a field close to her home. Paul Stewart Hutchinson, 50, has been charged with murder and is due before Nottingham magistrates later. Sentence 2: Paul Stewart Hutchinson is accused of having stabbed a girl.
Output: 1

Now complete the following example -
Input: Sentence 1: Twenty-four people, among them seven children, were killed on Sunday after their airplane crashed in a river in Brazil. Four people survived the crash, including a 9-year-old boy. The aircraft, which was a twin-engine Embraer turboprop chartered by Manaus Aerotaxis, was carrying 26 passengers and two crew members when it crashed. The pilots of the plane, which had departed from Coari, had supposedly contacted the air traffic control near their destination of Manaus to announce  that they were turning back. The plane, however, then disappeared from radar. The plane made an emergency landing in the river Manacapuru, a branch the  Amazon river in the Brazilian state of Amazonas, 50 miles (80 kilometers) from Manaus. Sentence 2: 24 people died in an airplane crash.
Output: 


Output: 1