What is the primary function of a commercial

Statements: All AC are Fans.

All Fans are Coolers.

Conclusions: I. All AC are Coolers.

II. Some Fans are AC.

Statements:Some mugs are soaps.

Some soaps are taps.

Conclusions:I. Some taps are mugs.

II. No mugs is tap. 

Statements: Some threads are needles.

                           Some needles are strings.

Statements: Some guitars are harmoniums.

No harmonium is a sitar.

Conclusions: I. Some guitars are not sitars.

Statements: No pen is a pencil.

                            All pencil are book.

Statement:

I) No A is B

II) No B is C

III) Some D are C

IV) All D are E

Conclusion:

I) Some E are not D

II) Some A are C

III) No C is A

Statements:

All Star are Meteor.

Some Meteor are Comet.

Only a few Constellation are Comet.

Conclusions:

Statement:

Some A are B

Few D are B

Some C are D

Conclusion:

I. Some A are C

Statements:

All Bottles are Glasses.

All Glasses are Bowls.

Some Cups are Bowls.

Conclusions: