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QUESTION
T writing task, you needed a pencil and an eraser. You had a pencil only (Event 1); and you borrowed an eraser from your friend (Event 2).
writing task, you needed a pencil and an eraser. You had a pencil only (Event 1); and you borrowed an eraser from your friend (Event 2). The following picture shows bookkeeping for the first 2 events.
The subsequent events are:
