Read the following premise and answer if the hypothesis is true.
Thomas C. Fletcher House is a historic home located at Hillsboro, Jefferson County, Missouri. It was built about 1850, and is a two-story, log dwelling with later frame additions. It sits on a limestone and concrete block foundation. It was the home of Thomas C. Fletcher, Missouri's first Republican governor and the first native-born Missourian elected governor.
Hypothesis: Thomas C. Fletcher's son was Missouri's third Republican governor. . Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
It's impossible to say.