Speach commands

Speach Commands for map:
/tellraw @p ["",{"text":"<Voice> Hey! Hello? Oh hey there!","color":"dark_green"}]
/tellraw @p ["",{"text":"<Voice> Now listen, I don't have much time to explain but I'll try","color":"dark_green"}]
/tellraw @p ["",{"text":"<Voice> You see you are a test subject and right now . . .","color":"dark_green"}]
/tellraw @p ["",{"text":"<Voice> The lab is falling apart","color":"dark_green"}]
/tellraw @p ["",{"text":"<Voice> You are the only survivor but I'll try to help you to stay alive so you don't join the others","color":"dark_green"}]
*Playsound that sounds like lab is falling apart*