Assertion: alkaptonuria's urine | /r/CapableOf | look black
Facets:
value: sometimes
type: TEMPORAL
value: over time
type: TEMPORAL
Source sentences:
text: As a result, the urine or some parts of the body look dark or black over time causing a number of health problems.
text: Relatively normal urine which has become quite dehydrated, or full of other poorly metabolized chemicals can sometimes appear black, when it is actually brown urine.