
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
Typhoon "Mangkhut" has caused serious impacts on a certain area. The Blue Sky Rescue Team is rescuing disaster victims by driving a speedboat along a river flowing in an east-west direction. They departed from point $A$ in the morning and finally arrived at point $B$ in the evening. It was agreed that eastward is the positive direction. The records of their navigation on that day are as follows (unit: kilometers): $-7$, $11$, $-6$, $10$, $-5$.
$(1)$ The location of point $B$ relative to point $A$ is ______ (fill in "east" or "west"), and the distance between point $B$ and point $A$ is ______ kilometers.
$(2)$ If the speedboat consumes $0.5$ liters of fuel per kilometer, how much fuel is needed for the entire journey?

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