(adverse possession case involving land between two adjacent farms; survey established boundary that resulted in smaller tract for plaintiff; plaintiff thus claimed title to land in dispute by adverse possession; both parties produced witnesses that testified about usage of tract in issue and jury returned verdict in favor of defendant, the legal title holder; plaintiff's sought judgment notwithstanding the verdict (JNOV) and trial court granted motion; on appeal, court reversed on basis that reasonable minds could have disagreed and jury verdict should have been upheld).