sentence: They have never met their grandparents because their mom had a fight a long time ago with them , even before they both where born , that caused them not to know any more about each other .
modified: They have never met his grandparents because her mom had a fight long time with them even before they both where born , that it caused not to know more about each other .
transformation: DET, DET, DET, ADV, PUNCT, PRON, PRON, DET