Panessi leased to Barnes for a term of ten years beginning May 1 certain premises located at 527–529 Main Street in Cleveland. The premises were improved with a three-story building, the first floor being occupied by stores and the upper stories by apartments. On May 1 of the following year, Barnes leased one of the apartments to Charles for one year. On July 5, a fire destroyed the second and third floors of the building. The first floor was not burned but was rendered untenantable. Neither the lease from Panessi to Barnes nor the lease from Barnes to Charles contained any provision in regard to the fire loss. Discuss the liability of Barnes and Charles to continue to pay rent.