Barbecue in the park

Last Sunday, my friend and I went to the park because David’s family invited us a barbecue party in the park. We lived nearby so we just walked there.

When we got to the park, there were not many people. David’s family was already there. They arrived there early to get the best picnic spot with an electronic barbecue grill nearby. When we arrived, they were cleaning the barbecue. After making sure the barbecue was clean, they turned the barbecue on by pushing the button. The electric stove turned on and the metal plate became hot.

David’s mother put some cooking oil on the metal plate, and after that she put some sausages, beef steaks, and some onions on the barbecue. Meanwhile, David’s father was preparing the bread, butter and the drinks.

While waiting for the meat to cook, David and I joined other boys playing football. When we got tired, we stopped and enjoyed the sausages, steaks, and some cold soft drinks.

The food was delicious. I think David’s mother is one of the best chef in the world.
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What is the purpose of the text?
a. Retell the picnic experience
b. To amuse the reader about the legend of picnic
c. To urge people the importance of picnic
d. To discuss the positive and negative side of picnic