{"knowledge_schema": {"broad_category": "Organic Chemistry \u2192 Reaction Mechanisms \u2192 Synthesis", "refinement": "This problem involves a series of organic reactions starting from trans-Cinnamaldehyde and leading to the final product through specific reagents and reaction types.", "specific_scope": "The focus is on the transformation of trans-Cinnamaldehyde through Grignard reaction, oxidation, and Wittig reaction to determine the number of carbon atoms in the final product.", "goal": "Calculate the number of carbon atoms in product C after a series of organic reactions."}, "summary": "This problem outlines a sequence of organic reactions beginning with trans-Cinnamaldehyde, which undergoes a Grignard reaction, oxidation with Jones reagent, and a Wittig reaction. The goal is to determine the number of carbon atoms in the final product, product C. By analyzing each step, we find that product C contains 14 carbon atoms, making option 1 the correct answer."}