
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
If $a_{1}(x-1)^{4}+a_{2}(x-1)^{3}+a_{3}(x-1)^{2}+a_{4}(x-1)+a_{5}=x^{4}$. Then $a_{2}+a_{3}+a_{4}=$_______.

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