
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
Mary can mow a lawn in three hours and Tom can mow the same lawn in six hours. Mary starts mowing the lawn alone, and after one hour, Tom joins her. After Tom works for 2 more hours, what fractional part of the lawn remains to be mowed?

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