How many children did the author of The Giving Tree have?
2
2
3
2
3
2
3
2
3
4
2
3
4
2
3
4
2
3
4
5
2
3
4
5
2
3
4
5
2
3
4
5
2
3
4
5
2
3
4
5
2
3
4
5
2
1
3
4
5
2
1
6
3
4
5
2
1
6
3
4
5
2
1
6
3
4
5
2
1
6
8
3
4
5
2
1
6
8
3
4
5
2
1
7
6
8
3
4
5
1
7
6
8
4
5
1
7
6
8
4
5
1
7
6
8
4
5
1
0
7
6
8
5
1
7
6
8
0
5
1
7
6
8
5
1
7
6
8
1
7
6
8
1
7
6
8
1
10
7
6
9
8
1
10
7
6
9
8
1
10
7
6
9
8
1
10
7
6
9
8
10
7
2 children
6
9
8
10
ten
7
9
8
13
3 children
10
7
9
8
ten
13
5 children
10
7
9
8
13
10
7
9
13
2 children
12
11
10
7
9
13
12
11
10
9
13