You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Social Reform or Revolution was written by the theorist who was of what descent?" whose answer is Polish-Jewish.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Rosa Luxemburg descent
Useful Output:

Doc 1: Rosa Luxemburg (1871-1919) was a political activist and socialist theorist, anti-militarist and internationalist. Of Polish Jewish origin, she
Doc 2: Born into a lower-middle-class Polish Jewish family in 1871, a hip problem at the age of five left Rosa with a permanent limp. Besides her
Doc 3: She was born in Poland in 1871, the year of the Paris Commune, the youngest of five children in a cultured and relatively wealthy Jewish family.
Doc 4: Luxemburg was born in Poland in 1871 to a family of Jewish descent. From the age of 15, she was active in socialist politics and organising
Doc 5: Rosa Luxemburg was born on March 5 1871 in Zamość, a predominantly Jewish centre in south-eastern Poland, then occupied by Tzarist Russia.