
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
Among the nine fractions

$$
\frac{5}{4}, \frac{17}{6}, \frac{-5}{4}, \frac{10}{7}, \frac{2}{3}, \frac{14}{8}, \frac{-1}{3}, \frac{5}{3} \text { and } \frac{-3}{2}
$$

we have eight with the following properties:

- 2 fractions whose sum is $\frac{2}{5}$
- 2 fractions whose difference is $\frac{2}{5}$
- 2 fractions whose product is $\frac{2}{5}$
- 2 fractions whose quotient is $\frac{2}{5}$

Find the fraction that is left over.

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