Help with keep the largest record in file

Shell Programming and Scripting
1

Input file

US	Score	10
UK	Ball	20
AS	Score	50
AK	Ball	10
PZ	Ballon	50
PA	Score	70
WT	Data	10
.
.

Desired output file

UK	Ball	20
PZ	Ballon	50
PA	Score	70
WT	Data	10
.
.

Condition:

  1. If the column 2 is same, keep the record that have largest number in column 3.
    Thanks for advice.
2 
awk '$3>m[$2]{m[$2]=$3;a[$2]=$0}END{for(i in a)print a}' file