premise1: A group of children with backpacks look back at the camera while walking down a paved path surrounded on both sides by green fields and trees.
premise2: Two girls and two boys are walking down a road with backpacks on their backs.
premise3: Four children walking down a street turn to look at the camera.
premise4: Four school children walk to school wearing warm apparel.
premise: A group of children with backpacks look back at the camera while walking down a paved path surrounded on both sides by green fields and trees. Two girls and two boys are walking down a road with backpacks on their backs. Four children walking down a street turn to look at the camera. Four school children walk to school wearing warm apparel.
hypothesis: Children smile.