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is;trousers are;trousers am;trousers be;trousers
are;is is;is is;are are;are
What color How much How many Where
is on sale are on sale are on the sale for are on sale for
on sale for are on sale for is on sale is on sale for
is belong to; is being washed belongs to; are being washed
belong to; are being washed are belonging to; has been washed
another trousers others other
How many What color Where How much
another trousers which other
What do you want? What color are the trousers? Can I help you? Do you need green clothes?