Assertion: iceberg lettuce's leaf | /r/HasProperty | smooth
Facets:
Source sentences:
text: ; leaves are yellow, green, red, or purplish; leaves can be frilly or smooth.
text: form loose, circular pattern, compact heads; leaves are yellow, green, red, or purplish; leaves can be frilly or smooth.
text: Some leaves can be smooth, some curled, some ruffled, some crinkled, and some oak-leaf shaped.