Professor Fricke hires Tom's Tree Trimmers to cut down a dead tree on his property. He provides Tom with all the tools needed to do the job and tells him where to make the cuts and how to go about each step of removing the tree. While doing the job, Tom causes a limb to fall onto Prof. Fricke's neighbor's house. Who is liable for the damage caused by the limb?

Prof. Fricke, because Tom was his employee

Prof. Fricke, because Tom was an independent contractor

Tom, because he was Prof. Fricke's employee

Tom, because he was an independent contractor