
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given \\(A=3a^{2}b-2ab^{2}+abc\\), Xiao Ming mistakenly interpreted "2A-B" as "2A+B" and obtained the result \\(C=4a^{2}b-3ab^{2}+4abc\\).  
(1) Calculate the expression for \\(B\\);  

(2) Find the correct expression for the result;

Present the answer in LaTex format: \boxed{Your answer}
user