input question: Sentence: Aleksandra Kovac, a solo singer, performs soul music.

Structured data: Aleksandra Kovac, genre, Soul music; Aleksandra Kovac, background, "solo singer"

input question: Sentence: Singer Alan Frew, born in the U.K. is from Newmarket, Ontario, Canada.

Structured data: Alan Frew, origin, Newmarket, Ontario; Alan Frew, occupation, Musician; Alan Frew, birthPlace, United Kingdom; Alan Frew, origin, Canada; Alan Frew, background, "solo singer"

input question: Sentence: Aleksandr Chumakov has played for FC Torpedo Moscow.

Structured data: Aleksandr Chumakov, club, FC Torpedo Moscow

input question: Sentence: Allan Shivers served in the United States Army, which took art in Korean War battles.

Structured data:
Allan Shivers, militaryBranch, United States Army; United States Army, battle, Korean War