Complex sentence: In 2003 she was back in the Sanremo contest with "Di un amore" (was ranked in ninth place), and in 2005 with "Echi d’infinito", which was awarded first prize in the "Women" category, and third in overall classification.
Split into simpler sentences: In 2003 she was back in the Sanremo contest with "Di un amore" (was ranked in ninth place). In 2005 she was back in the Sanremo contest with "Echi d’infinito", which was awarded first prize in the "Women" category, and third in overall classification.