Listen to the recording and answer the question by selecting all the correct responses. You will need to select more than one response.
Q. The purpose of the talk is to …
(1) suggest ways to make indoor lighting more economical.
(2) illustrate how an everyday object could inspire new technology.
(3) persuade listeners to participate in a scientific study.
(4) describe an artistic exhibition using familiar items.
(5) encourage listeners to think creatively about mundane items.