there is a box of milk on the table.对a box of milk提问?怎么答?

there is a box of milk on the table.对a box of milk提问?怎么答?
there is a box of milk on the table.对a box of milk提问?怎么答?

there is a box of milk on the table.对a box of milk提问?怎么答?
what's on the table?