Which kind of animal is to the left of the man?
The animals are dogs.
    src        edge_attr  dst
0     1               by    0
1     2               in   10
2     2   to the left of   13
3     2   to the left of    4
4     4  to the right of   10
5     4   to the left of    8
6     4   to the left of    6
7     4  to the right of    2
8     5   to the left of   16
9     5  to the right of   12
10    5  to the right of   18
11    5   to the left of   15
12    5   to the left of   13
13    6  to the right of   13
14    6  to the right of    4
15    8               on   19
16    8       sitting on    6
17    8  to the right of   10
18    8               on    6
19    8  to the right of   17
20    8  to the right of   13
21    8  to the right of    4
22   10   to the left of   15
23   10   to the left of   13
24   10   to the left of    8
25   10   to the left of    4
26   11               in   10
27   12   to the left of   13
28   12   to the left of   18
29   12   to the left of    5
30   13   to the left of   19
31   13  to the right of    5
32   13  to the right of    2
33   13   to the left of   17
34   13          wearing   14
35   13  to the right of   10
36   13  to the right of   12
37   13   to the left of    6
38   13          wearing   15
39   13   to the left of    8
40   13          wearing    4
41   14   to the left of   17
42   15  to the right of    5
43   15  to the right of   10
44   15   to the left of   19
45   16  to the right of   18
46   16  to the right of    5
47   17   to the left of    8
48   17               on    0
49   17  to the right of   14
50   17  to the right of   13
51   18   to the left of    5
52   18  to the right of   12
53   18   to the left of   16
54   19               in    3
55   19  to the right of   13
56   19               by   10
57   19  to the right of   15