What do the following body language cues indicate? Explain the benefits and/or risks when using or observing these types of gestures:
a. Tapping a finger or pencil on a desk.
b. Stroking your chin and leaning forward.
c. Leaning back in the chair with arms folded across the chest.
d. Sitting int he middle of a bench or sofa.
e. Assuming the same posture as the person with whom you are communicating.