Arun suspended a bar magnet on a string as shown in the diagram below. He brought 3 bar-shaped objects P, Q and R towards the bar magnet. He placed the ends (X and Y) of each object, near the north pole of the bar magnet and recorded his observations in the table below.
Which of the object(s) is/are the magnet?
A P only
B Q only
C P and Q only
D P and R only