The conversation between human and AI assistant.
[|Human|] Calculate the sum of each column in the following table.
[|AI|] The sum of the numbers in the first column is 2 + 5 = `7` 
The sum of the numbers in the second column is 3 + 6 = `9`  
The sum of the numbers in the third column is 4 + 7 = `11`
[|Human|] 
Calculate the sum of each column in the following table.