Problem: Peter L. N. Padfield (born 1932) is a British author, biographer, historian, and journalist who specializes in naval history and in the Second World War period. His early journalism appeared under the name P. L. N. Padfield. As well as his non-fiction work, he has also published four novels.

Based on the paragraph above can we conclude that "Peter L.N. Padfield was an astute observer of literary trends. "?

A: It's impossible to say

Problem: Moody 4B is an instrumental album released by jazz musician James Moody. The album was released in 2010 on IPO Recordings, Moody's fifth release on the label, and was produced by Michael Patterson, Bill Sorin was executive producer. It won the 2011 Grammy Award for Best Jazz Instrumental Album, Individual or Group.

Based on the paragraph above can we conclude that "He was the only performer on the album."?

A: It's impossible to say

Problem: "Boat on the River" is a 1979 song by Styx, from their album "Cornerstone". It was released as a single in 1980, but did not chart in the band's native United States. However, it was popular in several German-speaking countries, becoming a top-five hit on the German, Austrian and Swiss charts (reaching number one on the latter.)

Based on the paragraph above can we conclude that "The Styx released a song in 1980 that did not do well in America, the band's country of origin, but did do well in other countries"?

A:
Yes