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From 1744 to 1749 he studied at Tübingen University , but his financial and personal situation prompted him to move back to St. Petersburg .
 location: St. Petersburg
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: St. Petersburg