Complex sentence: When Ferdinand (John Cena) eventually grows up, he still retains his non-violent, flower-loving nature, but due to his size, he is left behind when Juan, Nina, and Paco go to Ronda for an annual flower festival.
Split into simpler sentences: When Ferdinand (John Cena) eventually grows up, he still retains his non-violent, flower-loving nature. Due to his size, he is left behind when Juan, Nina, and Paco go to Ronda for an annual flower festival.