Complex sentence: The agitation leaders formed a political party, Asom Gana Parishad, which came to power in the state of Assam in the Assembly elections of 1985 and later in 1996.
Split into simpler sentences: The agitation leaders formed a political party, Asom Gana Parishad. It came to power in the state of Assam in the Assembly elections of 1985 and later in 1996.