Answer: Classification would best respond to this prompt. Hope this helps!
Neil Armstrong was the first man to set his foot on the moon.
The sun rises in the east. (Here the real subject is the noun ‘sun’. The article ‘the’ merely modifies it.)
My sister is a teacher. (Real subject – sister)
Music can heal wounds.
Ranveer and Deepak are friends.
Here the highlighted words are subject.
Thank You!