Assertion: celtuce's leaf | /r/CapableOf | become bitter
Facets:
Source sentences:
text: The leaves don't coarsen and become bitter, though.
text: Old leaves become coarser and bitter.
text: Old leaves become coarser and bitter.
text: Prefers some shade in the summer to slow down the plants tendency to go to seed and to prevent the leaves becoming bitter.
text: Early and late sowings are best in a sunny position, but summer crops are best given a position with some shade in order to slow down the plants tendency to go to seed and to prevent the leaves becoming bitter.
text: The young leaves of celtuce can be eaten raw in salads, but the leaves become tough, bitter, and inedible as they mature.