Complex sentence: Guilherme played one year on loan with Sport Club Corinthians Paulista, scoring twice in his debut, a 3--2 home win against Sport Club Internacional; however, his stay was marred by a serious car accident, which resulted in the death of two persons.
Split into simpler sentences: Guilherme played one year on loan with Sport Club Corinthians Paulista, scoring twice in his debut, a 3--2 home win against Sport Club Internacional. However, his stay was marred by a serious car accident which resulted in the death of two persons.