Write the next sentence in the following story.

How to know if it is okay to hug someone
Observe their body language.
Look at whether their feet are pointed towards or away from you. See if they are leaning back and distancing themselves from your or leaning in towards you.

Available choices:
[I] If their body language indicates a need for distance, you should not try to hug them. However, if they look like they want to hug you and you feel comfortable offering a hug, go ahead and give them a hug..
[II] Feeling one-on-one with someone is always indicative of affection, but in an inappropriate way. If a person feels affection for you, it is important to observe whether or not they are pulling away or putting distance between the two of you..
[III] Notice if they seem awkward or nervous. As someone trying to hug a stranger, it's a good sign..
[IV] If the person seems uncomfortable or angry, keep this in mind as well. Look for signs of agitation or nervousness... The answer should be
[I]