
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 Mrs. Charlotte teaches mathematics to a class of 19 students and the average score of a particular test for these 19 students is 85. After including the new student Sam’s test score, the average score of the class increases to 86, find Sam's test score.

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