Which of the following is LEAST LIKELY to occur to women's gender roles in the next 50 years?

More women and men around the world will begin to assume similar roles for similar pay.
More women in Latin America will begin to take on work outside the home.
More women in Middle Eastern and Asian countries will begin to fight for greater equality in gender roles.
More women around the world will begin to adopt domestic gender roles.
More women will enter the medical field.