Assertion: aquarium's litre | /r/HasProperty | 8.8 imp gal
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Source sentences:
text: For example, a 190-litre (42 imp gal; 50 US gal) aquarium with an external filter that holds 40 litres (8.8 imp gal; 11 US gal) creates a 230-litre (51 imp gal; 61 US gal) aquatic system, and increase of over twenty percent.