Q:

Statements :
Some jobs are vacancies.
All jobs are office.
No office is trade.
All professions are trades.
Conclusions :
I. At least some office are jobs.
II. No vacancy is trade.
III. No profession is office.
IV. At least some office are professions.

• 1
  All I, II, III and IV follow
• 2
  Only II, III and IV follow
• 3
  Only I and IV follow
• 4
  None follows
• 5
  Only I and III follow