Here are some words/tenses translated from artificial language:

'de fui la pane' means 'rose flower is beautiful'
'de la chin' means 'rose is red'
'fui to tac' means 'flowers are good'

What does 'World is beautiful' represents in the same language?

pa la pane

From 1st and 2nd statement: "De" means "Rose" and "La" means "is".

From 1st and 3rd statement: "Fui" means "Flowers" and  thus "pane" means "Beautiful"

Also "Chin" means "Red"

The correct answer is Option (3) → pa la pane