Three men in orange vests and hard hats are next to a building .
Three workers are on a golf course .
Three men in orange vests and hard hats are next to a building.
Three workers are on a golf course.
Golf courses are large expanses of empty land.  Therefore, the workers cannot be both next to a building and on a golf course.
Golf courses are large expanses of empty land . Therefore , the workers can not be both next to a building and on a golf course .