QUESTION: Fix punctuation: I have long black hair and brown eyes
ANS: I have long black hair and brown eyes.

QUESTION: Fix punctuation: Exercise programmes 14 custom 3 heart rate controlled 2
ANS: Exercise programmes: 14, custom: 3, heart rate controlled: 2

QUESTION: Fix punctuation: TRST is a raw and poetic piece with its grotesque sense of humour and magical realism
ANS: TRST is a raw and poetic piece with its grotesque sense of humour and magical realism.

QUESTION: Fix punctuation: The construction of the light is solid and with 3 batteries it also has a good runtime
ANS:
The construction of the light is solid and with 3 batteries it also has a good runtime.