Syntactic Ambiguity
Lexical Ambiguity: a word may be rewritten by more than one category
- N {saw, hammer, book ...}
- V {read, saw, witnessed, ...}
- The old saw the wood
- The old saw was broken
Structural Ambiguity: a string may be generated in more than one way by the PS rules
- John saw the man with the telescope
S
ei
NP VP
g ry
PN V NP PP
John saw ty tu
Det N P NP
the man with the telescope