Witness Ryan Jones tried to stop the fleeing Diaz, Jones became caught on the <e1>door</e1> of the <e2>truck</e2> and was dragged for a distance.
Witness Ryan Jones tried
Witness Ryan Jones tried to stop the fleeing Diaz, Jones became caught on the door of the truck and was dragged for a distance.
<triplet> door <subject> truck <object> Component-Whole(e1,e2)