Assertion: parabola | /r/CapableOf | cross the x-axis
Facets:
value: once, twice,
type: TEMPORAL
Source sentences:
text: A parabola can cross the x-axis once, twice, or never.
text: The x-intercepts, those points where the parabola crosses the x-axis, occur at [latex]\left(-3,0\right)[/latex] and [latex]\left(-1,0\right).[/latex]