text: In 1862, the Provisional Theater was founded as a stage for opera in this language.
full_question: In 1862, the Provisional Theater was founded as a stage for opera in this language. In an opera in thislanguage, a stuttering teenager is convinced to dress up as a bear for a circus troupe, which enters in the"March of the Comedians." In another opera in this language, a prince pursuing a white doe is the loveinterest of the title character, who sings the "Song to the Moon" and is a (*) water nymph similar to theUndine (un-DEEN). This language was used to tell the story of how Jenik (yen-ik) appears to accept money inexchange for the right to wed his lover, but instead ends up marrying Mařenka anyway. For 10 points, name thislanguage which was used to write the operas Rusalka and The Bartered Bride, the latter by Bedřich Smetana.
first_sentence: In 1862, the Provisional Theater was founded as a stage for opera in this language.
raw_answer: Czech [or čeÂština] 