
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
Four friends — Sarah, Beth, Jane, and Lucy — perform in a concert singing as quartets, with one friend sitting out each time. Lucy sang 8 songs, which was more than any other friend, and Sarah sang only 5 songs, which was fewer than any other friend. How many songs did these quartets perform?
A) 8   
B) 9   
C) 10  
D) 11  
E) 12

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