Some individuals have an allergic sensitivity to certain proteins, some of which are found in the rubber most often used to make surgical gloves. However, because Manufacturer X does not use those types of rubber in its gloves, individuals who need to use surgical gloves but are allergic to those proteins can use the gloves made by Manufacturer X without risking an allergic reaction.
Which of the following is an assumption on which the argument depends?
【选项】
Individuals affected by protein allergies are not equally sensitive to all varieties of protein.
选项是否正确？