He will try to manipulate/influence his decision about which movie to see
I would go with the second one "the transfer of microorganisms from one food or surface to another" because the definition of Contamination is- "t<span>he process by which bacteria or other microorganisms are unintentionally transferred from one substance or object to another"</span>
I believe the answer is: "Whose deepness doth entice such forward wits / To practice more than heavenly power permits".
The keywords are 'wits' and 'permits'
Wits means a certain knowledge or teaching, and the fact that the wit is more than something that heavenly power permits indicates that you are not supposed to have that 'wits'