Complex sentence: For his Bar Mitzvah, which was held at home, he gave a speech in Yiddish about how an electric light works.He elected to attend the Manual Training High School in Brooklyn, from which he graduated in 1916.
Split into simpler sentences: For his Bar Mitzvah, which was held at home, he gave a speech in Yiddish about how an electric light works. He attended the Manual Training High School in Brooklyn, from which he graduated in 1916.