Read the conversation and choose the language function of the underlined sentence:
A ten year old girl is in conversation with her father over the telephone. Listen to your teacher reading it.
Shreya : Hello daddy, my teacher told me that tomorrow is Republic day. I should give a speech about it.
Father : That’s great! Go ahead.. Speak, well my dear.
(a) obey
(b) command
(c) Appreciation and encouragement
(d) permission