Simple advice of the ad campaign: 

You should take the stairs. 
You shouldn't take the elevator. 
You should swim or bike with your family. 
You shouldn't watch TV a lot. 
You shouldn't sit during TV commercials. 
You should clean or vaccum the house. 
You should do yard work (in the garden). 

Examples:

He often has mouldy eggs for breakfast... because he loves to fart.
He usually eats rotten eggplants for lunch... because he loves to have a stomach ache.
He always has frozen pizza for dinner... because he likes to be cold during the night.
He sometimes has beer for breakfast... because he loves to go to the toilets.
He often has out-of-date yoghurt for dessert... because he loves to burp.

You should do sports regularly.
You should drink a glass of red wine a day.
You shouldn't drink too much alcohol.
You should have a glass of lemon juice in the morning.
You shouldn't smoke at all.
You should drink a bottle of water every day.

-> It's good for your health!

Document # 1: The ad campaign

The document is an ad about health.
There is a picture: a woman is eating salad (lettuce and cherry tomato).
There are two texts:
* a slogan at the top.
* a caption and a picture at the bottom.
In the background, there is a kiwi.

The message = You should eat 5 pieces of fruit and vegetables every day.
Other health messages:
You should do sport one hour a day.
You should not eat too much salt / fat / sugar.
You should eat carrots for your eyes.
You should have olive oil with your salad.

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Vocabulary:
eggplant = aubergine
spinach
iron
health -> healthy