Complex sentence: In 1971, Bryan appeared in the West End production of the Kander and Ebb musical "70, Girls, 70", then took a break from acting to raise children, although she made a public service TV advertisement for children's safety during this period.
Split into simpler sentences: In 1971, Bryan appeared in the West End production of the Kander and Ebb musical "70, Girls, 70". She then took a break from acting to raise children, although she made a public service TV advertisement for children's safety during this period.