Which of the following is true about the statement $"$q$1->$set$\_$text$("$Which function?"$)$; $"?$

Question: : set$\_$text$($string new$\_$text$)$ is called by q$1$ which then calls ChoiceQuestion: :set$\_$text$($string new$\_$text$)$

ChoiceQuestion: : set$\_$text$($string new$\_$text$)$ is called by q$1$ which then calls Question: : set$\_$text$($string new$\_$text$)$

Question: : set$\_$text$($string new$\_$text$)$ is called by $1$

ChoiceQuestion: : set$\_$text$($string new$\_$text$)$ is called by q$1$