/x-1/5/-1/2=0

1. on/ My / will / the / future/ ocean / house/ be/.

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2. housework / help/ Robots / do/ the / will/ me/.

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        3. surrounded / by / tall/ will/ blue/ sea / trees/ and / It / be/.

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4. tallest / my / is / the / family / in / brother/ person / my.

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