rank belt alternate 1 belt alternate 2 belt alternate 3 belt alternate 4
rank
belt alternate 1
belt alternate 2
belt alternate 3
belt alternate 4
text text text text text
10th kyu white belt white belt white belt white belt
how many different ranks exist for karate belts ?
WRB JJ JJ NNS VBP IN JJ NNS .
11
select count ( distinct c1 ) from w