
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 population is divided into three levels: $A$, $B$, and $C$. The ratio of the number of individuals in $A$, $B$, and $C$ is $5:3:2$. If a stratified sampling method is used to obtain a sample of size $150$, then the number of individuals to be sampled from $B$ should be _____.

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