Which word in بَاعَدْتُهُ فَتَبَاعَدَ is Form VI?

Seven Semantic Functions of Form VI (Tafāʿul): Reciprocity, Multiplicity, Pretence, Response, Equivalence, and Independent Uses

• تَبَاعَدَ
• بَاعَدْتُهُ
• فَـ
• هُ