**Question 1:** Who are the four candidates vying to lead the Conservative Party in Britain?
**Answer:** The article does not specify the names of the four candidates, but it mentions that they are competing to lead the party following a significant election defeat.
**Question 2:** What is the main focus of the candidates during their campaign for leadership?
**Answer:** The candidates are focusing on presenting their qualifications and visions for how to restore the Conservative Party's standing and recover from the recent electoral loss.
**Question 3:** How have the candidates interacted with each other during the leadership contest?
**Answer:** The candidates have taken turns criticizing not only the Labour Party but also each other, highlighting their differences and attempting to position themselves as the best choice for leadership.
**Question 4:** What is the significance of the leadership contest for the Conservative Party?
**Answer:** The leadership contest is crucial for the Conservative Party as it seeks to regroup and strategize for future elections after experiencing a catastrophic defeat, aiming to regain public support and confidence.