Tutorial Tellraw

/tellraw @a {text:"",color:"",bold:"",underlined:""}

/tellraw @a {text:"[Muerte]:Quieres morir?",color:white,bold:true,"extra":[{text:"[SI]",color:red,"clickEvent":{"action":"run_command","value":"/kill"}},{text:"[NO]",color:green,"clickEvent":{"action":"run_command","value":"/scoreboard players set ExtrayeaMC muertes 5"},"hoverEvent":{"action":"show_text","value":"bien"}}]}