Statements:
I. All teachers are professors
II. All professors are reaserchers
III. All reaserchers are consultants
Conclusions:
I . Some consultants are teachers
II. All professors are consultants
III. Some reserchers are teachers
IV All professors are teachers

Options

A. Only I and II follow
B. Only I and III follow
C. Either I or IV follows
D. All of the above

Answer

D

Explanation

Conclusion I : True
I. True
III. True
IV . False