A man was sentenced last week to five years in state prison after he admitted telling a minor to hide a gun in his pants during a traffic stop in Cumberland County, authorities said. The investigation began after the man, Jana S. Denby, 27, of Vineland, left a home on Arcadia Place in the city with a gun, according to a release from the Cumberland County Prosecutor’s Office. The date of the incident was not immediately clear. Officers from the Vineland Police Department responded and pulled over the car, which was being driven by Denby’s grandmother, the office said. Denby was in the passenger…