I think just swapping 'that' to 'which' makes the difference I'm looking for.
I think that is a common grammatical error. looking it up...
http://grammar.quickanddirtytips.com/
http://www.grammarbook.com/grammar/whovwhvt.asp
http://www.writingforward.com/grammar/grammar-rules/that-and-which
http://www.englisch-hilfen.de/en/grammar/relative_clauses.htm
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