Task: Wrong Candidate Generation
Input (English): Context: He 's crouched down , close to the ground , sniffing it cautiously . Then he lifts his nose to the air once more , turns his head either way , and inhales deeply . Then he lets out a small growl and turns to the other three while on all fours . 
Question: What may be a fact about this situation ? 
Correct Answer: A dog has discovered something .
Output (English): A dog is getting aggressive .