Problem: The Takahashi River ( , Takahashi-gawa ) is a Class A major river in the western part of Okayama Prefecture. It acts as the main drainage for the Takahashi River Drainage System, and is one of the three main drainage rivers in Okayama Prefecture (the others being the Yoshii River and the Asahi River).

Based on the paragraph above can we conclude that "Yoshii River is a drainage river just like the Yoshii River."?

A: Yes

Problem: Mars Audiac Quintet is the third album by the band Stereolab, released in August 1994. Initial releases of the CD came with bonus two-track disk, the double vinyl album came with a 7". During the recording of the album, guitarist Sean O'Hagan left as a full-time member to form his own group, while keyboardist Katharine Gifford was added.

Based on the paragraph above can we conclude that "Stereolab released two albums before releasing Mars Audiac Quintet"?

A: Yes

Problem: The Sierra Leone Civil War (19912002) began on 23 March 1991 when the Revolutionary United Front (RUF), with support from the special forces of Charles Taylor's National Patriotic Front of Liberia (NPFL), intervened in Sierra Leone in an attempt to overthrow the Joseph Momoh government. The resulting civil war lasted 11 years, enveloped the country, and left over 50,000 dead.

Based on the paragraph above can we conclude that "The Sierra Leone Civil War lasted more than 11 years"?

A:
No