Sentence: Aleksandr Prudnikov plays for FC Alania Vladikavkaz and FC Spartak Moscow whose grounds are the Otkrytiye Arena.

Question: What structured data could we extract from this sentence?

A: Aleksandr Prudnikov, club, FC Spartak Moscow; FC Spartak Moscow, ground, Otkrytiye Arena; Aleksandr Prudnikov, club, FC Alania Vladikavkaz

Sentence: Ahmet Ertegun plays rock and roll music, which originated from blues music.

Question: What structured data could we extract from this sentence?

A: Ahmet Ertegun, genre, Rock and roll; Rock and roll, stylisticOrigin, Blues

Sentence: Walter Baade, who discovered 1036 Ganymed, graduated from the University of Gottingen where his doctoral student was Halton Arp.

Question: What structured data could we extract from this sentence?

A:
1036 Ganymed, discoverer, Walter Baade; Walter Baade, doctoralStudent, Halton Arp; Walter Baade, almaMater, University of Gottingen