1-4 yes HAHAHAHHHHAAHHAHAHAHAHAHA
Because they don't know what there saying so they act like their smart
Answer:
It didn't have any teeth
Explanation:
I think that because it is really rare and odd to find a dog with no teeth.
When doctors reports on a brain disorder called CTE (caused by head on collisions) was rejected by the NFL orginastion even though actuaries confirmed a 67% risk of all NFL players getting the disease. CTE caused a person to inflict damage on themselves gradually until eventually committing suicide (for sources, watch movie "Concussion", based on a true story)