Not exactly . It exists in a continuum that was n't proven until ten years ago
Not exactly.  It exists in a continuum that wasn't proven until ten years ago.
B-NO I-NO I-NO B-EXPLAIN I-EXPLAIN I-EXPLAIN I-EXPLAIN I-EXPLAIN I-EXPLAIN I-EXPLAIN I-EXPLAIN I-EXPLAIN I-EXPLAIN I-EXPLAIN I-EXPLAIN I-EXPLAIN