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 "Lucona"): He was subsequently convicted in 1991 of the murder of six crew (of the crew of 12) who were killed by the explosion, and died in prison.
Relevant evidence: No