Which sentence requires a comma between the underlined words?
Answer options with 4 options
1.
Many ,begin underline,early childhood,end underline, memories are stored in the brain.
2.
The ,begin underline,unlimited learning,end underline, abilities of the brain are amazing.
3.
Trying new experiences makes a ,begin underline,stronger healthier,end underline, brain.
4.
The brain works faster than some ,begin underline,large modern,end underline, computers.