An organic aromatic compound ‘A’ with the molecular formula C6H7N is sparingly soluble in water. ‘A’ on treatment with dil HCI gives a water-soluble compound ‘B’. ‘A’ also reacts with chloroform in presence of alcoholic KOH to form an obnoxious smelling compound ‘C’. ‘A’ reacts with benzene sulphonyl chloride to form an alkali-soluble compound ‘D’.’A’ reacts with NaNO2 and HCl to form a compound ‘E’ which on reaction with phenol forms an orange-red dye ‘F’. Elucidate the structures of the organic compounds from ‘A’ to ‘F’.