
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
Consider the following set of tetrominoes made by connecting four squares edge to edge. How many tetrominoes in this set exhibit at least one line of reflectional symmetry?
- Line tetromino (I)
- Square tetromino (O)
- T tetromino (T)
- S tetromino (S)
- Z tetromino (Z)
A) 1
B) 2
C) 3
D) 4
E) 5

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