The nouns are president, class, and class officials. hope this helps !
When talking about recycling, people don't seem to consider the recycling of clothing.
The comma should be placed between the first use of recycling and people. The subordinate clause is "when talking about recycling". This is a clause because of the word "when". When makes the reader wonder when what? The main clause is "people don't seem to consider the recycling of clothing."
Will it be beastiary? (beast fable)
3rd person since he is saying what the cow did
