I think e I don't think non vengono mai usati da soli, ma vengono sempre seguiti da so, come nell'esempio, o da una proposizione come nel caso di I think/I don't think he went to the concert.
The Tricolour, the Italian flag, has one green, one white, and one red vertical stripe. It was adopted in 1946, the year Italy became a republic. The colours are sometimes said to represent Italy's green hills, snowy peaks, and the blood its people shed for their country.