Assertion: parabola | /r/CapableOf | meet the x-axis
Facets:
value: at a single point
type: TEMPORAL
Source sentences:
text: the parabola will either have 2 roots (it crosses the x-axis twice), 1 repeating root (the parabola meets the x-axis at a single point), or no real roots (the parabola doesn't meet the x-axis at all)