
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
Information technology-assisted teaching has become the mainstream trend of teaching. In order to understand the situation of students using learning machines for learning, a research institution purchased $6$ mainstream learning machines on a shopping platform and arranged for $4$ people to conduct related data statistics. Each person must collect data on at least $1$ type of learning machine (without duplicate statistics). The number of different arrangements is ____.

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