Chinese vegetable soup

I found this at ndtv.com under the link "Recipes".
Real simple stuff.

Ingredients:

1 cup mixed vegetables-chopped fine
4 cups of stock
1 tsp salt 1 tsp
1/2 tsp soy sauce
1 tbsp vinegar
2 tsp sugar
2 tbsp tomato puree
1/4 tsp powdered black pepper
2 tsp corn flour mixed with 1/4 cup water

Method: Bring the stock to a boil.

Add to it the rest of the ingredients except the corn flour solution and bring to a boil and then simmer till vegetables are bite-like.

Add the corn flour solution, simmer for a minute, serve.