The below figure is embedded in one of the four answer figures. Which of the figures contain the below problem figure?
Students are sitting in a row in which the position of X is 17th from the left and that of Y is 14th from the right. If they interchange their positions, X's position becomes 7th from the left. How many students are there in the row?
The given Problem Figure is embedded in one of the given Answer Figures. Which is that Answer Figure?