West Edmonton Mall (WEM), located in Summerlea, Edmonton, Alberta, Canada, is the largest shopping mall in North America and the tenth largest in the world (along with The Dubai Mall) by gross leasable area. It was the world's largest mall until 2004. The mall was founded by the Ghermezian brothers, who emigrated from Iran in 1959.
Answer this question, making sure that the answer is supported by the text: is west edmonton mall the biggest mall in the world?

Choose from:
(A). no;
(B). yes;
(A).