They're not so silly .(change into affirmative sentence)
Answers
Answer :
This question is based on affirmative sentences.
The affirmative sentence for the given negative sentence 'They're not so silly.' is :
They are too clever.
Cambridge English Dictionary defines 'affirmative' as 'relating to a statement that shows agreement or says "yes".'
Wiktionary defines 'affirmative sentence' as '(grammar) A sentence that affirms (rather than negates) a proposition.'
The affirmative of the sentence, ‘They are not so silly’ will be ‘They are very clever’.
As the affirmative form of a sentence is defined as the sentence which a gives a positive sense to the fact or truth being described in a sentence.
Since in the above example it is being stated that the people are not silly hence its positive from will mean that people are very clever.