Question 20 Assume that: All HIFS are PIFS Some SIFS are RIFS All ZIFS is SIFS All PIFS are ZIFS Which of the following do we know is correct? A: All ZIFS are RIFS B: Some HIFS are ZIFS C: All RIFS are SIFS D: All HIFS are RIFS E: Some ZIFS are PIFS.