Assertion: trampoline | /r/ObjectUse | used by one person
Facets:
value: at a time
type: TEMPORAL
Source sentences:
text: They are ideal if your trampoline will only be used by one person at a time as the shape of the jumping mat causes you to gravitate towards the centre and away from the edge.
text: Therefore, it is a much safer shape if your trampoline is likely to be used by more than one person at once.