Question 2

Statements
All calls are mails.
Some mails are posts.
Some posts are letters.
Conclusions
I. All mails are calls.
II. No call is a letter.

Solution

from the above statements following venn can be drawn

we can see from the above venn that no conclusion is true

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StatementsAll calls are mails.Some mails are posts.Some posts are letters.ConclusionsI. All mails are calls.II. No call is a letter.