Explanation:

- Part A: "If Sally is late again I will be mad."

- This part is grammatically correct. The sentence clearly states a conditional outcome based on Sally's punctuality.

- Part B: "Punctuality has no definition in her dictionary."

- This part suggests that Sally does not understand or value punctuality, which is metaphorically expressed and correct.

- Part C: "She needs to understand the"

- Grammatically correct as it sets up what Sally needs to grasp or comprehend.

- Part D: "value of time and its use."

- The part is correct. It completes the thought initiated in Part C about understanding the value and application of time.

- Option E: "No error"

- This is the correct answer. There are no grammatical or contextual errors in the sentence.

Option: 5—E is correct.

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