a
'He did it.'
he was subject to an investigation
I read your mail today...
The bank had a lien on his property.
A barnacle could be described as being sessile.
The weapon could annihilate a continent.
The computer had a lot of delicacy.
Conversely, we could just meet at the mall.
I'm not certain about what you are trying to infer.
Although i am highly religious, theology is not my favorite subject.
A sentence can be given with backup. Depending on what subject the sentence is on, the individual could provide support and back up with factual information on the subject that can be provided whilst giving the sentence.