We planted a vegetable garden for the first time in quite a few years . The place we used to have a garden became too shaded as the trees got taller . We picked out a new spot by the round barn .

Generate a question about the above context.
Why did we plant a vegetable garden ?
Select from:
[1]. None of the above choices .;
[2]. Because it 's by the round barn .;
[3]. Because it was the first time .;
[4]. Because it became too shaded .;