Agroup of students were surveyed to find out if they like walking pets and/or mowing lawns during the holidays. the results of the survey are shown below:

25 students like walking pets
4 students like walking pets but do not like mowing lawns
23 students like mowing lawns
7 students do not like walking pets

four students created the tables below to represent the data. wp represents walking pets and ml represents mowing lawns.

sam
like wp do not like wp total
like ml 2 21 23
do not like ml 5 4 9
total 7 25 32
brenda
like wp do not like wp total
like m 21 2 23
do not like ml 4 5 9
total 25 7 32
cathy
like wp do not like wp total
like ml 23 2 25
do not like ml 4 5 9
total 27 7 34
nathan
like wp do not like wp total
like ml 2 23 25
do not like ml 5 4 9
total 7 27 34

which student's table is correct?
sam
brenda
cathy
nathan