Is the sentiment reflected in the input text negative?

Input: "Walls work.  A wall of geothermal plants on the Mexican border.  BOOM. Mother Nature pays for it." #TrumpNarratesPlanetEarth
"Walls work.  A wall of geothermal plants on the Mexican border.  BOOM. Mother Nature pays for it." #TrumpNarratesPlanetEarth