Complex sentence: In 1931, Iran Teymourtāsh was sent abroad to attend preparatory college in London; however, after a year of attending college, she returned to Iran upon hearing that her father had been arrested on the orders of Reza Shah for having fallen out of favour.
Split into simpler sentences: In 1931, Iran Teymourtash was sent abroad to attend preparatory college in London. However, after a year of attending college, she returned to Iran upon hearing that her father had been arrested on the orders of Reza Shah for having fallen out of favour.