What is a tone ?

Tick the right answer. What is the tone of the author when he says the I still recall the typical fragrance of those loaves. (nostalgic, hopeful, naughty)

Tick the right answer. What is the tone of the author when he says the Cakes and bolinhas are a must for Christmas as well as other festivals. (sad, hopeful, matter-of-fact)

Tick the right answer. What is the tone of the author when he says the Maybe the father is not alive but the son still carries on the family profession. (nostalgic, hopeful, sad)

Tick the right answer. What is the tone of the author when he says the The baker and his family never starved. They always looked happy and prosperous. (matter-of-fact, hopeful, sad)