Question: What was an old ship sunk in the Indian Ocean on 23 January 1977 by a bomb planted by Austrian businessman Udo Proksch, whos owner of the cargo was aslo the owner of a famous pastry shop and chocolaterie established in 1786 in Vienna, Austria ?
Sentence (from "Demel"): Demel (colloquially "der Demel") is a famous pastry shop and chocolaterie established in 1786 in Vienna, Austria.
Relevant evidence: Yes