samples	MyCategory0	category
high_1	high	high
high_2	high	high
high_3	high	high
high_4	high	high
high_5	high	high
high_6	high	high
high_7	high	high
high_8	high	high
high_9	high	high
high_10	high	high
middle_1	middle	middle
middle_2	middle	middle
middle_3	middle	middle
middle_4	middle	middle
middle_5	middle	middle
middle_6	middle	middle
middle_7	middle	middle
middle_8	middle	middle
middle_9	middle	middle
middle_10	middle	middle
low_1	low	low
low_2	low	low
low_3	low	low
low_4	low	low
low_5	low	low
low_6	low	low
low_7	low	low
low_8	low	low
low_9	low	low
low_10	low	low