Im Banned for 1 months please help me

Hi im nima
My name in the game Nima021
im with Farzad021 and he's hp is very low its a bit to die.we go to hospital and i be paramedic and i heal him but its not work he's hp is very low again.then he go to chakpoint to heal him self.but it doesnt work again.he's said to me "kill me the hp isnt go up plz Kill me" I try to kill him with bomb but its not work.he's said again "Kill me with gun" and i aim to him and killed him.his go to general hospital and im off duty and 4 stars wanted.then a few seconds i banned for 1 month.
please help me.
i dont dm/death matching just he said and im agree.
please unbanned me.
i love to play in this server very very very.
i dont do this in next time.
my name in game Nima021

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