How many years did John F. Kennedy spent in office?
2 years
4
4
5
4
5
4
5
4
5
2
4
5
2
4
5
2
4
5
2
4
5
2
4
5
2
4
5
61
2
4
6
5
2
61
4
6
5
14
2
4
61
6
5
14
20
2
4
6
5
61
4 years
14
20
2
4
6
5
14
20
2
1
2 years
61
4
6
5
41
14
20
2
1
8
4
61
6
5
41
14
20
2
1
8
4
9
6
5
41
61
58
14
20
2
1
8
41 years
4
44
9
6
5
41
14
5 years
20
2
1
61
8
58
44
9
6
5
41
4 years
14
20
2
1
8
44
9
6
58
41
6 years
14
20
50
2
1
2 years
8
44
9
6
41
58
14
20
50
2
1
8
13
3
40
30
44
9
6
41
14
20
50
2
1
7
8
58
13
3
40
14 years
30
44
9
6
41
14
20
50
1
7
12
8
13
3
40
41 years
10
30
22
44
9
6
58
4 years
41
14
8 years
5 years
20
50
1
7
12
8
13
3