1.b> ; she's my sister / ; we're sisters ; an older [a younger] sister [] ; a big [little] sister .i> [] ; have you got any brothers and sisters / - ?
2.b> (.i> Sister) / , (i>);
3.b> (Sister) ( i>); i>; Sister Mary / ; the Sisters of Charity (i>);
4.b> .i> , , i>;
5.b> . .i> ; , ..i>; a sister ship / ; ; sister cities ; sister languages .i> (.i> i>).