part-of(body,trunk).
part-of(body,head).
part-of(body,arm).
part-of(arm,hand).
part-of(body,leg).
part-of(leg,foot).
part-of(hand,finger).
part-of(foot,toe).
part-of(face,eye).
part-of(face,nose).
part-of(face,mouth).
part-of(head,ear).