Select the statements in which the italicized word functions as an adjective.
1 The conception of this notion began with a startling idea.
2 How can I conceive of such a strange event?
3 Is such a plan even conceivable?
4 Please interpret what he is saying to me.
5 What interpretation can be given to this series of gestures?
6 Are these scrawlings interpretable, or are they just gibberish?