Given that a scoped attribute cart exists only in a user’s session, which two, taken independently, ensure the scoped attribute cart no longer exists? (Choose two.)
A. ${cart = null}
B. <c:remove var="cart" />
C. <c:remove var="${cart}" />
D. <c:remove var="cart" scope="session" />
E. <c:remove scope="session">cart</c:remove>
F. <c:remove var="${cart}" scope="session" />
G. <c:remove scope="session">${cart}</c:remove>
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