myanmar was formerly known as burma.
myanmar was formerly called burma.

Rate the textual similarity of these two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing".

Pick your answer from:
 1). 0
 2). 1
 3). 2
 4). 3
 5). 4
 6). 5
6).