(i) It is given in the question that,

A = {x: x is a natural number}

And, B = {x: x is an even natural number}

∴

= B

(ii) It is given in the question that,

A = {x: x is a natural number}

And, C = {x: x is an odd natural number}

∴

= C

(iii) It is given in the question that,

A = {x: x is a natural number}

And, D = {x: x is a prime number}

∴

= D

(iv) It is given in the question that,

B = {x: x is an even natural number}

And, C = {x: x is an odd natural number}

∴

=

(v) It is given in the question that,

B = {x: x is an even natural number}

And, D = {x: x is a prime number}

∴

= {2}

(vi) It is given in the question that,

C = {x: x is an odd natural number}

And, D = {x: x is a prime number}

∴

=