Complex sentence: She returned to New York City in 1998 and joined a high-yield investment fund at CIBC, but soon left to enrol at New York's French Culinary Institute from which she graduated in 1999.
Split into simpler sentences: She returned to New York City in 1998 and joined a high-yield investment fund at CIBC. Within a year, Sarma left finance altogether and enrolled at New York's French Culinary Institute and graduated in 1999.