premise: Two girls, which are carrying purses, are walking on grass in front of a stone building. hypothesis: Two girls are standing on top of a stone building.
contradiction: Two girls, which are carrying purses, are walking on grass in front of a stone building and two other girls are standing on top of a stone building.There are two actions performed by a two different girls. Two girls do walking on grass in front of a stone building cannot stand on top of a stone building at a time .