Complex sentence: It was named Best Book by Yayasan Buku Utama, a part of the Indonesian Ministry of Education and Culture, in 1975; its moral message was considered a good lesson for young adults.
Split into simpler sentences: It was named Best Book by Yayasan Buku Utama, a part of the Indonesian Ministry of Education and Culture, in 1975. Its moral message was considered a good lesson for young adults.