The bar graph shows the number of each type of monkey in a sanctuary.

Which of the following statements about the data shown in the bar graph is NOT true?
There are more vervets than any other type of monkey in the sanctuary.
The number of baboons is exactly half the number of pygmy marmosets.
The total number of mandrills and baboons is less than the number of bonnet macaques and vervets combined.
The number of pygmy marmosets is 8.