Elaborate on the transaction involving both parties and discuss how the principles of consent to a contract affected the outcome of the case in Josefa v. San Buenaventura. State the relevant factual findings of the Supreme Court to concretize your explanations.

PS. Your full answer must not exceed 2 concise paragraphs (only 3-5 sentences per paragraph)

REFERENCES: Josefa v. San Buenaventura, G.R. No. 163429