whoever

"He gave an incorrect answer to a simple question."

"My sister is painting her bedroom walls a cheerful yellow. "

"Why do my relatives always talk about sex?"

"My son frequently misspells the word "receive" in his homework. "

"The children were excited to go to their classroom in the morning. "

"Being tall is an advantage in basketball."

"If a prince violates the law, then he must be punished like an ordinary person."

"Idly, the detective thought what his next move should be."

"The teacher emphasized the emphatic "k" sound in the word "knowledge." "

"Regardless of the rain, she went to school. "

"Each person is unique, both mentally and physically."

"The interrogative "who" is often used in classroom discussions to encourage student participation. "