If scraping oneself on a contaminated object may cause an area swollen with pus, then scraping oneself on a contaminated object may cause what?

Answer choices:
- an area wet with medicine
 - a pill for health
 - cause their death
 - an area clean from bacteria
 - fissures of hot, acidic water
 - an area swollen with pus
 - contamination
 - harmful substances

 

      an area swollen with pus    