Input: Article: Meanwhile, Elisha Gray was also experimenting with acoustic telegraphy and thought of a way to transmit speech using a water transmitter. On February 14, 1876, Gray filed a caveat with the U.S. Patent Office for a telephone design that used a water transmitter. That same morning, Bell's lawyer filed Bell's application with the patent office. There is considerable debate about who arrived first and Gray later challenged the primacy of Bell's patent. Bell was in Boston on February 14 and did not arrive in Washington until February 26.

Now answer this question: What sort of machine did Bell and Gray both try to patent at the same time?

Output: telephone

Input: Article: Also with respect to copyright, the American film industry helped to change the social construct of intellectual property via its trade organization, the Motion Picture Association of America. In amicus briefs in important cases, in lobbying before Congress, and in its statements to the public, the MPAA has advocated strong protection of intellectual-property rights. In framing its presentations, the association has claimed that people are entitled to the property that is produced by their labor. Additionally Congress's awareness of the position of the United States as the world's largest producer of films has made it convenient to expand the conception of intellectual property. These doctrinal reforms have further strengthened the industry, lending the MPAA even more power and authority.

Now answer this question: The MPAA has advocated strong protection of what kind of rights?

Output: intellectual-property

Input: Article: Ireland and the United Kingdom are both part of the European Union (EU). The Crown Dependencies are not a part of the EU however do participate in certain aspects that were negotiated as a part of the UK's accession to the EU. Neither the United Kingdom or Ireland are part of the Schengen area, that allow passport-free travel between EU members states. However, since the partition of Ireland, an informal free-travel area had existed across the region. In 1997, this area required formal recognition during the course of negotiations for the Amsterdam Treaty of the European Union and is now known as the Common Travel Area.

Now answer this question: When was a free-travel area created betwen Northern Ireland and Ireland?

Output:
1997