There are three boxes, called one, two and three. Box three is east of box one and is to the north of box two. Disconnected from and east of this box there is box two. Box one has a medium orange apple. A small green melon and a big yellow apple are within box two. A medium green melon and a big green melon are inside and touching box two. The medium green melon is north of a small yellow melon. Box two contains the small yellow melon. The small yellow melon is north of the big green melon. Box two contains a medium yellow watermelon. A big orange apple is inside and touching box three.
Where is the medium green melon regarding the big green melon?