Given the method below:

def secret$($input$1,$ input$2,$ input$3)$:

input$1=$ str$($input$1.$lower$())$

input$2=$ str$($input$2.$upper$())$

input$3=$ str$($input$3.$replace$("$a$","$s$"))$

return input$1+$ input$2+$ input$3$

What will be returned by calling secret$("$Alice$","$is$",$ "neat"$)$

Alice is nest

aliceISnest

Alice is neat

Alice IS nest

Aliceisneat

alice is nest