Use a bit of/a piece of/a bunch of/a cloud of/a lump of with the italicised nouns in the following sentences.
My teacher gave me some advice. (Example done)
a bit of advice
Can you give me some clay, please.
a lump of clay
The information you gave was very useful.
a piece of information
Because of these factories, smoke hangs over the city.
a cloud of smoke
Two stones rubbed together can produce sparks of fire.
a piece of stone
He gave me some flowers on my birthday.
a bunch of flowers
Explanation
Phrases like 'a bit of', 'a piece of', 'a bunch of', 'a cloud of', and 'a lump of' indicate a particular quantity of something that is not usually countable. 'A lump of' is appropriately used for clay, 'a piece of' for information and stone, 'a cloud of' for smoke, and 'a bunch of' for flowers.