
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
In which of the following equations is $y$ neither directly nor inversely proportional to $x$?
1. $y = \frac{x}{3}$
2. $2xy + 5 = 15$
3. $y = 3x + 2$
4. $5x - 4y = 16$
5. $\frac{x}{y} = 2$
A) Equation 1: $y = \frac{x}{3}$
B) Equation 2: $2xy + 5 = 15$
C) Equation 3: $y = 3x + 2$
D) Equation 4: $5x - 4y = 16$
E) Equation 5: $\frac{x}{y} = 2$

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