To take the fragment of green material first, I found it caught in the <e1>bolt</e1> of the communicating <e2>door</e2> between that room and the adjoining one.
To take the fragment
To take the fragment of green material first, I found it caught in the bolt of the communicating door between that room and the adjoining one.
<triplet> bolt <subject> door <object> Component-Whole(e1,e2)