Are You Dead? refers to a large number of graffiti pieces around Valencia Spain with those words on it. Some are shown here (photos from March 2018) along with other street art that was in close proximity.
below: Are you dead on the door, with DEIH in blue.
below: Are you dead on the left and a piece titled Anemia by escif.
below: As well as “are you dead?”, “It’s never too late” and some skulls, all watched over by a purple bull.
More of his work can be seen on his instagram page.