*node data ID gender age joe male 56 wendy female 23 bill male 48 holly male 56 john female 23 brian male 48 *tie data from to friends advice joe wendy 1 3 joe bill 0 1 joe holly 1 2 joe john 1 3 joe brian 0 1 wendy bill 1 3 wendy holly 0 1 wendy john 0 1 wendy brian 1 2 bill holly 1 3 bill john 1 1 bill brian 1 1 holly john 0 2 holly brian 1 3 john brian 1 3