Context: Like Finnish and Hungarian, Estonian is a somewhat agglutinative language, but unlike them, it has lost vowel harmony, the front vowels occurring exclusively on the first or stressed syllable, although in older texts the vowel harmony can still be recognized. Furthermore, the apocope of word-final sounds is extensive and has contributed to a shift from a purely agglutinative to a fusional language.[citation needed] The basic word order is subject–verb–object.

Question: What kind of harmony has Estonian lost?
Answer: vowel

Question: What language feature does Estonian, Finish and Hungarian share? 
Answer: agglutinative

Question: In what order are words put in sentences in the Estonian language?
Answer: subject–verb–object

Question:  What kind of harmony has Estonian not lost?
Answer: Unanswerable

Question:  What language features do Estonian, Finish and Hungarian differ?
Answer: Unanswerable

Question:  In what order are words put in sentences in the Finnish language?
Answer: Unanswerable

Question: In what order are words put in sentences in the Hungarian language?
Answer: Unanswerable

Question: What made it shift from a fusional language to an agglutinative one?
Answer: Unanswerable