 Oṣu to lọ ni ọlọpaa bẹrẹ iwadii lori ọrọ naa wipe Linda to jẹ ẹni ọgọta ọdun ati Mary-Beth to jẹ ọdun mẹtalelọgọta lo pa baba wọn, ọdun mẹta lẹyin ti wọn pe ọlọpaa wipe baba wọn ṣa deede dakẹ ninu ile. 