faq

1. What's wrong with lexical items that have an empty semantics?
   A
   • Infinite loops, especially but not necessarily if the item is an auxiliary tree
   • Difficulty constructing a polarity automaton - except maybe for pronouns if you enable the zero literal semantic items
2. How do I use the paraphrase selection mechanism documented in A Symbolic Approach to Near-Deterministic Surface Realisation using Tree Adjoining Grammar?
   A See the paraphrase selection part of the manual