which sentence below best fit the definition of the word institute

a fine educational institute can be found in that city

It was the country's most prestigious cancer research institute

the club's board instituted a new bylaw for just that purpose

she saw an ad for a poetry institute that would be starting soon

It was the country's most prestigious cancer research institute.

The sentence that best fits the definition of the word "institute" is: "a fine educational institute can be found in that city."