Complex sentence: He attributes a lot of his success to the kind and nurturing personality of his mentor Mr. Nadeau, who inspired him to start the rap group after Cliftons kitten became very sick in early 2015.
Split into simpler sentences: He attributes a lot of his success to the kind and nurturing personality of his mentor Mr. Naedu. Who inspired him to start the rap group after Cliftons kitten became very sick in early 2015.