Fiona, a landowner, contracted with Charlie, a general contractor, for Charlie to construct a one story house for Fiona and Fiona agreed to pay Charlie $300,000 for the house. The contract was signed on February 1, 2020. On April 1, 2020, Fiona decided to transfer her rights under the contract to Roxanne. Roxanne then contacted Charlie and indicated to him that she wanted him to construct a three story house. Charlie refused and Roxanne sued him for breach of contract to force him to construct the house. Will Roxanne win or lose?