One of Mr. Singhania, his wife, their son and Mr. Singhania's mother is an engineer and another is a marketing manager.
1. If the engineer is younger than the marketing manager, then the engineer and the marketing manager aren't blood relatives.
2. If the engineer is a woman, then the engineer and the marketing manager are blood relatives.
3. If the marketing manager is male, then the engineer is also male.
Whose occupation do u know? Provide a detailed explanation along with your answer.