Statements: Some keys are staplers. Some staplers are stickers. All the stickers are pens.
Conclusions:
A. Some pens are staplers.
B. Some stickers are keys.
C. No sticker is key.
D. Some staplers are keys.

Statements: Some questions are answers. Some answers are writers. All the writers are poets.
Conclusions:
A. Some writers are answers.
B. Some poets are questions.
C. All the questions are poets.
D. Some poets are answers.

Statements: Some envelopes are gums. Some gums are seals. Some seals are adhesives.
Conclusions:
A. Some envelopes are seals.
B. Some gums are adhesives.
C. Some adhesives are seals.
D. Some adhesives are gums.

Statements:All the locks are keys. All the keys are bats. Some watches are bats.
Conclusions:
A. Some bats are locks.
B. Some watches are keys.
C. All the keys are locks. 

Statements: Some rats are cats. Some cats are dogs. No dog is cow.
Conclusions:
A. No cow is cat.
B. No dog is rat.
C. Some cats are rats.

Statements: Some cars are jeeps. All the boxes are jeeps. All the pens are cars.
Conclusions:
A. Some cars are boxes.
B. No pen is jeep.
C. Some boxes are cars.

Statements: All the bottles are boxes. All the boxes are bags. Some bags are trays.
Conclusions:
A. Some bottles are trays.
B. Some trays are boxes.
C. All the bottles are bags.
D. Some trays are bags.

Statements: All the books are papers. Some papers are journals. Some journals are calendars.
Conclusions:
A. Some journals are books.
B. Some calendars are papers.
C. Some books are journals.
D. Some books are calendars.

`Statements: All cars are cats. All fans are cats.
Conclusions:
A. All cars are fans.
B. Some fans are cars.

Statements: All the pencils are pens. All the pens are inks.
Conclusions:
A. All the pencils are inks.
B. Some inks are pencils.