
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
Let $WXYZ$ be a parallelogram with $\angle WXY=100^\circ, WY=20$ and $XZ=15.$ Extend $\overline{ZY}$ through $Y$ to $V$ so that $YV=6.$ If $\overline{XV}$ intersects $\overline{WZ}$ at $T$, find the length of $TZ$.
A) 4.0
B) 4.2
C) 4.3
D) 4.5
E) 4.7

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