"He is the boy who scored a fifty." Here 'Who' is ______?
"He is the boy who scored a fifty." Here 'Who' is ______?
Explanation
"Who" is a relative pronoun that refers back to "the boy".
It introduces the relative clause "who scored a fifty."
"Who" is a relative pronoun that refers back to "the boy".
It introduces the relative clause "who scored a fifty."