If a language places relative pronouns that are not interrogative in form in initial position in postnominal relative clauses, then either that language has initial interrogative pronouns in questions or it has a general topicalization process that places thematic material in initial position.
Standardized
IF relative pronouns that are not interrogative in form occur in initial position in postnominal relative clauses, THEN either there are initial interrogative pronouns in questions or there is a general topicalization process that places thematic material in initial position.
