Complex sentence: The in-laws will offer the lady guests "kumkum", "paspu", flowers and "thamboolam", goodie bags which consist of betel leaves, betel nut, sweets and a coin (optional).
Split into simpler sentences: The in-laws will offer "kumkum", "paspu", flower and "thamboolam"/goodie bags to all the lady guests. This consists of betel leaves, betel nut, sweets and a coin (optional).