Help with Checkboxes in Excel

Ive done a prediction game throughout my work for Euro 2004. What i want to be able to do is write down there predictions and have a checkbox next to it. On sheet2 i can put in the correct answers. Now how do i get it so if they get the correct answer the box is ticked but if its wrong the box has a cross in it.

I know its possible but i cant seem to get the formula to work.

Thanks.