Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.

Relationship: 'be problem on', Argument/Subject 1: 'spam', Argument/Subject 2: 'internet'
Spam is a major problem on the Internet .

Relationship: 'create', Argument/Subject 1: 'god', Argument/Subject 2: 'world'
God has created many plants and animals in the World , that our eyes can see .

Relationship: 'be centre of', Argument/Subject 1: 'ubud', Argument/Subject 2: 'balus'

Villa Sebali Ubud Bali is just 15 minute drive from the centre of Ubud , the cultural and artistic heart of Bali .