Read the text and determine if the sentence is true (see options at the end):

An important recommendation of the Rowell-Sirois commission in 1939 was that the federal government institute a system of ``national adjustment grants'' for poorer provinces and that general transfers be made to ensure that the provinces had enough revenue to fulfill their constitutional responsibilities without undue taxation.

Sentence: The federal government officially implemented a system of national adjustment grants.
OPT:
 --Yes.
 --It's impossible to say.
 --No.
It's impossible to say