eta.core.planning.plan_paraphrase
- plan_paraphrase(expr, ds)[source]
 Generate a subplan for a paraphrase step using the paraphrase transducer.
- Parameters:
 expr (s-expr) – The wff for the paraphrase step.
ds (DialogueState) –
- Returns:
 The updated plan, if successful.
- Return type:
 PlanNode or None