Statements :

All flowers are thorns.

Some flowers are leaves.

Conclusions :

I. No leaf is a thorn.

II. Some thorns are leaves.

(i) All flowers are thorns $o$ Universal Affirmative (A–type). (ii) Some plugs are tablets $o$ Particular Affirmative (I–type). (iii) No tablet is a door $o$ Universal Negative (E–type). (iv) Some tablets are not doors $o$ Particular Negative (O–type).

I + A $Rightarrow$ I–type of Conclusion

“Some leaves are thorns.”

Conclusion II is the Converse of it.