Assertion: melon's skin | /r/CapableOf | become resistant
Facets:
value: to penetration by the thumbnail
type: CAUSE
Source sentences:
text: Use a combination of the following indicators: (1) light green, curly tendrils on the stem near the point of attachment of the melon usually turn brown and dry; (2) the surface color of the fruit turns dull; (3) the skin becomes resistant to penetration by the thumbnail and is rough to the touch; and (4) the bottom of the melon (where it lies on the soil) turns from light green to a yellowish color.