Simplify the following text for a Grade 5 native English-speaking person.
Original: The tangor ( C. reticulata Ã -- C. sinensis ) is a citrus fruit hybrid of the mandarin orange ( tangerine , Citrus reticulata ) and the sweet orange ( Citrus sinensis ) .
Simplified: The tangor is a citrus fruit . It is a hybrid of the tangerine and the sweet orange .