A class V teacher named Shubham wants to educate his students about their lives and social obligations. He stands for the idea of "gender role." Which of the following options is best for achieving this goal?

a. Encourage all students to participate in roles regardless of conventional gender roles.

b. Encouraging pupils to take part in all of the events that the school and society host.

c. Forming a team of students to engage in a group debate on their own social duties and responsibilities.

d. Playing role-playing games and bringing in guests like female engineers or male chefs.