Pamela and Raul were friends who owned large adjoining farms. In the year 2000, Pamela told Raul that she wanted to excavate a trench and lay a drainage pipe across a corner of Raul's land. Pamela promised Raul that she would fill the trench and bury the pipe once she finished. Raul gave oral permission for Pamela to lay the pipe. The project employed four workers who completed the work in two days. Raul died in 2013. Nephew inherited all of his property. Nephew had a survey of the property done and discovered the buried pipe under the corner of his land. Nephew told Pamela she would have to remove the pipe from his land. Pamela refused to remove the pipe. The applicable statute of limitations in the jurisdiction for actions for the recovery of land is 20 years. Which of the following best describes Pamela's rights? a-Pamela can lawfully refuse to dig up the pipe because she had acquired a prescriptive easement. b-Pamela can lawfully refuse to dig up the pipe because she had acquired an easement by estoppel. c-Pamela must remove the pipe because the interest that Raul conferred on her was only a revocable license. d- Pamela must remove the pipe because transfers of land must be made in compliance with the Statute of Frauds.