Another instance where ´fine´ is marked wrong. Neither ´nice´ nor ´fine´ actually work here in English. The sentiment just sounds odd.
'good' is still marked wrong ... https://screenshots.firefox.com/FSUkKN7rsTpJmWtO/www.duolingo.com
Adjectives are a subjective decision if someone prefers "nice" to "good' "beautiful" which are alternative translations it still shows the right meaning of the Greek sentence.