पूर्व में दी गई व्यवस्था के आधार पर, निम्नलिखित में से चार विकल्प अपनी स्थिति (फ्लैट A बनाम फ्लैट B में रहने) के संबंध में एक विशिष्ट पैटर्न का पालन करते हैं। कौन सा एक उस समूह से संबंधित नहीं है?

Each of H, U, S, B, A, N, and D has an exam on a different day of a week starting from Monday and ending on Sunday of the same week. H has an exam on Friday. Only two people have exams between N and H. Only four people have exams between S and N. A has an exam immediately after D. B does not have an exam on Monday. How many people have exam(s) between B and U?

Each of H, U, S, B, A, N, and D has an exam on a different day of the week starting from Monday and ending on Sunday of the same week. D has an exam on Thursday. B has an exam two days before D. Only four people have exams between S and B. A has an exam on one of the days after B. U has an exam on the day immediately before H. S has an exam after B. How many people have exams between H and A?