A school teaches 14 subjects such that there is exactly one lecture of each subject in a given week. The school considers Monday and Sunday as the first and last day of the week respectively. There are no lectures on Sunday. All the other days have a minimum of one and maximum of three lectures. The subjects taught are English, History, Geography, Algebra, Geometry, Chemistry, Biology, Computers, Painting, Singing, Hindi, Marathi, Zoology and Sanskrit.

- Biology is on Wednesday and there are only two lectures on Friday.
- Singing is on the day between Thursday and Saturday.
- Either English or Marathi or both are on the second last day of the week Geography is exactly two days after Monday.
- History and Painting are not on the same day and one of them is after Tuesday and before Thursday.
- Geometry and Chemistry are on the same day but after Tuesday and before Friday.
- One particular day of the week has only lecture. Algebra is taught before English.
- Sanskrit is on Thursday. Computers and Singing are on the same day.
- Zoology is on Saturday or Monday.
- There are two lectures on Monday and both start with the same letter.

Q.6. Which of these lecture-day pairs is correct?