instruction:
In this task, you are given a word. You should respond with a valid sentence which contains the given word. Make sure that the sentence is grammatically correct. You may use the word in a different tense than is given. For example, you may use the word 'ended' in the output where the given input word is 'end'.
question:
system
answer:
In a static system oil can not be replaced by water on a surface.


question:
ring
answer:
The distinctive ring of the church bell.


question:
form
answer:

He was at the top of his form.