Basic rights and obligations of citizens: refer to the minimum legal rights and obligations recognized by the Constitution as Chinese citizens should enjoy and fulfill. Based on the above definition, is the following statement correct? ['Fundamental rights indicate the constitutional status of citizens and form the basis of a national rights system.', 'For all basic rights stipulated in the Constitution, all levels of government and society should provide all possible conditions for their realization without discount.', 'Zhang is three years old and frail, and has no children under his knees. The local government should take them into a welfare home to support them for years.', 'Ding is a mentally retarded person who wandered to Beijing in a certain province. After one year of wandering in Beijing, the local government of the province has the obligation to take him back to his hometown.']