which of the following are ex indian prime ministers?

rajiv gandhi
rahul gandhi
manmohan singh
sonia gandhi
atal bihari vajpayee
kapil sibal
ak antony
jawaharlal nehru
Ex indian prime ministers:
rajiv gandhi
manmohan singh
atal bihari vajpayee
jawaharlal nehru
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: which of the following are ex indian prime ministers?

rajiv gandhi
rahul gandhi
manmohan singh
sonia gandhi
atal bihari vajpayee
kapil sibal
ak antony
jawaharlal nehru
### Input: 
### Response: Ex indian prime ministers:
rajiv gandhi
manmohan singh
atal bihari vajpayee
jawaharlal nehru