obdiet	cat
91.5	1
92.1	1
93.9	1
91.0	1
94.5	1
94.1	2
91.7	2
93.5	2
89.9	2
92.0	2
84.4	3
85.7	3
86.5	3
88.5	3
87.4	3
86.0	4
87.3	4
85.5	4
84.8	4
83.2	4