1 = similarity
2 = difference

1 = low own tw
2 = high own tw

1 = 1 to 22
2 = 23 to 26
3 = 27 to highest

1 = female
2 = male

0 = no
1 = yes

1 = = 'low own tw + sim'
2 = = 'low own tw + diff'
3 = = 'high own tw + sim'
4 = = 'high own tw + diff'