Answer:
2 should be role models I think, 3 is "honor roll students", and 4 is "classics in American literature".
Explanation:
Its all about the agreements. For example, it would be incorrect to say "People eat a bagel in the morning". You'd have to change the word "bagel" to "bagels" for the sentence to have noun agreement. Reply if you got questions cuz I'm here to help.
