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 (ii) $A\cap C$

Question

$\begin{array}{1 1}(A)\;\{1,2,3,4,5,6....\}&(B)\;\phi\\(C)\;\{1,3,5,7....\}&(D)\;\{\phi\}\end{array} $