Example sentences of "it is not clear where " in BNC.

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1 It is not clear where this comes from .
2 It is not clear where Sir Trevor learned to tickle the ivories .
3 Individual letters are subject to more variation in cursive writing , depending upon the letters preceding and following it ( Eldridge et al , 1984 ; Wing , 1979 ) , and because it is not clear where one letter finishes and the next begins , a stage of segmentation is usually employed , which introduces more ambiguity .
4 Again , it is not clear where nine tricks are going to come from .
5 However , it is not clear where on this hypothetical curve normal driving would lie , thus both enhancements or impairments of memory with increasing risk could be explained within this framework .
6 Although it is not clear where the danger lay , it appears that , used as an abbreviation , CDTV can not infringe third party rights .
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