During a Picnic,you and Two of Your Friends Decided to Have

Multiple Choice

During a picnic,you and two of your friends decided to have a three-way tug of war using three ropes tied in a knot in the middle.All of you pull with forces of the same magnitude,550 N.Alice pulls to the south and Bob pulls 30 ^$\circ$ north of east.What is the angular orientation of your rope so that the knot stays at rest?

A) 30 ^$\circ$ north of west
B) to the north
C) 30 ^$\circ$ south of east
D) to the west
E) None are correct.