sentence: We see a man decorating a Christmas tree. sentence:  The man adds a string of lights. sentence:  A little girl ads bulbs to the tree. sentence:  The man turns the lights on. sentence:  The man and the girl add bulbs to the tree. sentence:  The lady goes up and own the stairs. sentence:  The lady adds ornaments to the tree. sentence:   The man stands on a ladder and adds ornaments. sentence:  The lady turns off the lights and the family looks at the tree together. sentence:  The man and woman kiss each other.