
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
A dandelion blooms in the morning, remains yellow for two days, becomes white on the third morning, and disperses by the evening. Yesterday there were 20 yellow and 14 white dandelions in the meadow, and today there are 15 yellow and 11 white.

a) How many yellow dandelions were in the meadow the day before yesterday?

b) How many white dandelions will be in the meadow tomorrow?

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