Anonymous how to use word ' that of' in sentence.(Actually, it's two words.

The color of Lake Superior is bluer than the color of Lake Huron.
becomes
The color of Lake Superior is bluer than that of Lake Huron.
The population of New York is greater than the population of San Diego.
becomes
The population of New York is greater than that of San Diego.
The height of this tree is greater than the height of that tree.
becomes
The height of this tree is greater than that of that tree.
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Don't forget that "of X" can also be expressed with a possessive "X's".
The party of Lincoln is better placed to win the election than the party of Roosevelt.
can be expressed as
Lincoln's party is better placed to win the election than the party of Roosevelt.
Thus, you can have
Lincoln's party is better placed to win the election than that of Roosevelt.
CJ
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Comments
My sister has a fatter chicken than that of my brother.
'That of' = 'that chicken belonging to'
1) I am giving you an exercise with an example "that of".
2) Such a service is available with a provider "that of"