Statements: All the phones are scales. All the scales are calculators.
Conclusions:
All the calculators are scales.
All the phones are calculators
All the scales are phones.
Some calculators are phones.

Statements: Some tables are T.V. Some T.V. are radios.
Conclusions:
Some tables are radios.
Some radios are tables.
All the radios are T.V.
All the T.V. are tables.

Statements: Some pens are books. Some books are pencils.
Conclusions:
Some pens are pencils.
Some pencils are pens.
All pencils are pens.
All books are pens.

Statements: All the goats are tigers. All the tigers are lions.
Conclusions:
All the goats are lions.
All the lions are goats.
Some lions are goats.
Some tigers are goats.

Statements: All the books are pencils. No pencil is eraser.
Conclusions:
All the pencils are books.
Some erasers are books.
No book is eraser.
Some books are erasers.

Statements: All the research scholars are psychologists. Some psychologists are scientists.
Conclusions:
All the research scholars are scientists.
Some research scholars are scientists.
Some scientists are psychologists.
Some psychologists are research scholars.

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

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

Statements: All green are blue. All blue are white.
Conclusions:
Some blue are green.
Some white are green.
Some green are not white.
All white are blue.

Statements: All men are vertebrates. Some mammals are vertebrates.
Conclusions:
All men are mammals.
All mammals are men.
Some vertebrates are mammals.
All vertebrates are men.