Who is playing with the toy car?
The boy is playing with the toy car.
    src        edge_attr  dst
0     2     playing with    5
1     2          wearing    3
2     2          wearing    7
3     2      in front of    6
4     2  to the right of   11
5     2  to the right of    4
6     2          holding    5
7     3  to the right of    4
8     4   to the left of    7
9     4   to the left of    2
10    4   to the left of   12
11    4   to the left of    3
12    6           behind    2
13    7  to the right of    4
14    9  to the right of   10
15   10   to the left of    9
16   10            below    6
17   11            below    6
18   11   to the left of    2
19   11               on    4
20   12  to the right of    4