Answer:
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Leslie left the house early but had to go back when she forgot her books.
Step-by-step explanation:
The sentence talks about a female subject named Leslie who leaves a house early but then needs to come back because she had forgotten her books. The arrow on the second sentence is pointing to the left, which implies that there is return to the origin point (the house), this is a turn back from the original direction that indicates an advance (arrow pointing into the right).