How can one synthesize 1,2-dihydronaphthalene in four steps and 1,2,3,4-tetrahydronaphthalene-1-carboxylic acid in five steps using (4-chloro-2-buten-1-yl) benzene as the same starting reagent?
A) Condensation reaction
B) Hydrolysis
C) Oxidation
D) Reduction