After entertainmentsome activities, we had lunch at a wWestern restauraunt. After some activities, we had lunch at a Western restaurant.

大写 "Western"。在这里，用 "Western"。"West" = 名词， "Western" = 形容词 西餐 = "Western food" / "Western cuisine" In English, it's not natural to say "after entertainment". "After some activities" or "after a day of fun" is a little better.

We sat in the middle of ithe restaurant and ordered some dishes. We sat in the middle of the restaurant and ordered some dishes.

The starter hadwas salad.T For the main course, we had chicken pizza, pasta, roasted mushroom rice and tomato soup. The starter was salad. For the main course, we had chicken pizza, pasta, roasted mushroom rice and tomato soup.

The deasserts were someas ice creams. The dessert was ice cream.

"Ice cream" is always two words! Also, "ice cream" cannot be plural, even if everyone has his or her own ice cream. You can just say "everyone had ice cream."

We decided to eat at a wWestern restauraunt since the kids always like it. We decided to eat at a Western restaurant since the kids always like it.

To be more specific, you could change it to "the kids always enjoy Western food" or "the kids always enjoy eating at this restaurant."