
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 that $f(x) = a \sin(\pi x + \alpha) + b \cos(\pi x + \beta) + 4$, where $a$, $b$, $\alpha$, and $\beta$ are all non-zero real numbers. If $f(2018) = 3$, then $f(2019) = \_\_\_\_\_\_$.

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