You could buy
You can buy one of the following:
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	  One litre of ribenaOne litre of ribena for £2.99 (ر.ق16.70)
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	  One word by Stephen FryCost per word of Stephen Fry's column for £3 (ر.ق16.76)
Shopping list
You can buy all of the following:
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	  1 Big Issue magazineMagazine for £2 (ر.ق11.17)
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	  1 Mars barMars bar for £0.40 (ر.ق2.23)
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	  1 A speck of dust made of anti-hydrogen gasA speck of dust made of anti-hydrogen gas for US$0.05 (ر.ق0.19)