a b c    d     n
3 4 1    text2 pan
3 4 100  pan   0.3467901443380824
3 4 2    text2 pan
3 4 200  eks   0.7586799647899636
3 4 3    text2 wye
3 4 300  wye   0.20460330576630303
3 4 4    text2 wye
3 4 400  eks   0.38139939387114097
3 4 5    text2 pan
3 4 500  wye   0.5732889198020006
3 4 6    text2 pan
3 4 600  zee   0.5271261600918548
3 4 7    text2 zee
3 4 700  eks   0.6117840605678454
3 4 8    text2 wye
3 4 800  zee   0.5985540091064224
3 4 9    text2 wye
3 4 900  hat   0.03144187646093577
3 4 10   text2 wye
3 4 1000 pan   0.5026260055412137
