Le

Determiner

  premier

1st

Adjective

  acte

Noun

  se

Pronoun

  passe

Verb

  à

Adposition

  Saint-Pétersbourg

Proper noun

,  les

Determiner

  trois

3

Numeral

  autres

Pronoun

  à

Adposition

  Paris

Proper noun

.

The first act takes place in Saint Petersburg, the other three in Paris.

The first act takes place in Saint Petersburg, the other three in Paris.