A sphere is cut into hemisphere. One of them is used as

Statements:

Some dogs are lions.

All lions are tigers.

All lions are leopards.

No leopard is a monkey.

Statements: All writers are lyricists.

Some lyricists are singers.

Conclusions: I. Some writers are singers.

Statements:  All covers are glasses.

Some caps are covers.

No cup is a cap. 

Statement:

Some rivers are hills.

All hills are mountains.

No mountain is a tree.

Some trees are branches.

Statements:

Only potato are tomato

Some potato are brinjal

Only brinjal are radish

Conclusion:

Statements: 

Only a few Towels are Showers.

All Showers are Garments.

No Garment is a Material.

Conclusions:

Statement:

Only a few Wood is Metal.

Only Metal is Glass.

No Metal is Marble

Conclusion:

I. No Wood is Glass.

Statements:

No poem is a story.

All stories are novels.

All novels are articles.

Conclusions:

Conclusions:

I. All Passages can be Streets

II. Some Footpaths are Roads 

Statements:

Statements: Some years are months

All months are weeks.

All weeks are days