Assertion: racket's string | /r/CapableOf | lose tension
Facets:
value: over time
type: TEMPORAL
Source sentences:
text: Some strings hold tension better than others, but all strings lose tension eventually.
text: Dead strings", or strings which have lost their tension, cut down on the performance of a racquet.
text: Over time, strings lose tension and elasticity, making them play dead and requiring more effort from the player.