sentences:  President Betancur appointed Sanín as representative of the government in the first commission that visited "Casa Verde", the then headquarters of the Revolutionary Armed Forces of Colombia (FARC) guerrilla, to negotiate a peaceful solution to the Colombian armed conflict.Sanín served as Ambassador of Colombia to Venezuela between 1990 and 1991 appointed by then President of Colombia, César Gaviria.During her term as ambassador commerce exchange between Colombia and Venezuela increased from US$300 million to US$1350 million a year until the end of her job.