Consider the following pairs regarding Mughal Kings:

Group A	Group B
1. Farrukshiyar	Adopted policy of religious tolerance
2. Sayyid Brothers	Establish Shahjahan-II on the throne
3. Alamgir-II	Nadir Shah Abdali invaded Delhi in his time.
4. Shah Alam-II	Associated with the Battle of Buxar,1764

Which of the pairs are correctly matched?