Hi,
4. what (=) 1. interrogative pronoun
5. these (=) 2. demonstrative pronoun
3. themselves (=) 3. reflexive pronoun
1. anyone (=) 4. indefinite pronoun
2. who (=) 5. relative pronoun
"what" is an interrogative pronoun,
"these" is a demonstrative pronoun,
"themselves" is a reflexive pronoun,
"anyone" is an indefinite pronoun,
"who" is a relative pronoun.
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