The author states that the curved stone which were found in Scotland had used in especial purpose.

The author states that the curved stone which were found in Scotland had used in especial purpose. As opposed to, the lecturer who counter-argues that viewpoint trying to prove these applications is not correct for these stone balls. First and foremost, the writer says that these stone balls were employed as weapons for hunting or wars. In contrast, the professor cannot disagree more, reasoning that these carved stones did not use as a weapon. In this case, she points out that these stones are well-preserved and do not have any crack on them. Consequently, these balls did not utilize as weapons. The second argument the text gives is that these balls were used as weighting and measuring system. Nevertheless, the lecturer cannot be more outraged, explaining that although these carved stones are remarkably uniform, they have different mass. In fact, these balls made from different materials like sand an grave. Thus, the stones with varied weight with same size could not be used as measuring system. Lastly, on one hand the writer defends that these stone balls were used as a social goal. Nevertheless, the professor contends that when a special person died, others buried his/her symbol with that one. However, scientists did not find any stone ball in graves which they could show personal position of that dead man in the community. Hence, these stone balls did not have social option. In conclusion, as the author is fundamentally for the idea that stone balls were applied to three purposes. Nonetheless, the lecturer is deeply against that idea.