Complex sentence: The National Yiddish Theater Folksbiene is a professional theater company in New York City which produces both Yiddish plays and plays translated into Yiddish, in a theater equipped with simultaneous superscript translation into English.
Split into simpler sentences: The National Yiddish Theater Folksbiene is a professional theater company in New York City. It produces both Yiddish plays and plays translated into Yiddish, in a theater equipped with simultaneous superscript translation into English.