If A={x : x is a natural number},B={x : x is an even natural number},C={x : x is an odd natural number } and D={x : x is a prime number },Find (i) $A\cap B$

Question

$\begin{array}{1 1}(A)\;\{1,2,3,4,5.....\}&(B)\;\{2,4,6,8....\}\\(C)\;\phi&(D)\;\{2,3,4,5....\}\end{array}$