It already has "you have to..." so it automatically crosses out the last two and limitation doesn't make sense. This leaves you with simply "limit"
(if there aren't any options) it really just depends on your opinion, but to me it would have to be 1st person. it can also can be considered the most explanatory, but again that's only my opinion.
hope this is helpful!
Answer:
erhm no its missing a period
Explanation: