74372
Religious texts of the period make many more references to the irreversible passage of time , and artistic themes appeared at this time such as " Vanitas " , a reminder of death in the form of a still life , which always included a watch , clock , or some other timepiece .
 Vanitas
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Vanitas