Which sentence uses the underlined word correctly?

The research assignment came with explicit instructions on source citation.
The speaker was explicit and difficult to understand.
Interpretations of the passage varied because its meaning was explicit.
The custodian posted implicit instructions asking that the door remain locked.

3. revise the following paragraph from a student essay. focus on making the main claim clearer, strengthening the evidence, and addressing problems with plagiarism. you may choose to use portions of the paragraph as they are written. underline any phrases or sentences that you copy from the original paragraph. then use bold font to highlight any sentences you added to the paragraph. (15 points) student paragraph: eating healthy foods is a really cool thing to do for your body. healthy food can actually slow down the aging process. foods that are high in anti-oxidants and omega-3 fatty acids protect cells and the cells live longer (p. 20 -- olivia anderson, a natural foods chef). living longer lets you do more. ian jones on pg. 15: "people in their 80s give more back to their communities than those who died in their 60s ever did." healthy food means a long good life. and living longer is awesome!

Read the excerpt from act i of the importance of being earnest. lady bracknell. well, i must say, algernon, that i think it is high time that mr. bunbury made up his mind whether he was going to live or to die. this shilly-shallying with the question is absurd. . i should be much obliged if you would ask mr. bunbury, from me, to be kind enough not to have a relapse on saturday, for i rely on you to arrange my music for me. it is my last reception, and one wants something that will encourage conversation, particularly at the end of the season when every one has practically said whatever they had to say, which, in most cases, was probably not much. what aspect of lady bracknell’s behavior does wilde use to poke fun at the importance placed on frivolous events in formal society? her concern with a party instead of mr. bunbury’s health her interest in playing classical music at her reception her jealousy over algernon’s friendship with the sickly mr. bunbury her concern about the health of algernon’s friend

Which element in the room does the narrator in the yellow wallpaper focus on through much of the story