Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Tabby cat George turned up 128 miles from its home after apparently hitching a ride in a caravan A runaway cat turned up 128 miles from his home after apparently hitching a ride in a caravan. George was last seen running off in the direction of a caravan park near his home in North Wales and was found on a doorstep in West Yorkshire five weeks later. He has now been reunited with his owners after Julia Hill, who found the 18-year-old tabby outside her home in Calderdale last week, posted on a lost and found cats Facebook group. Owners Steven Davison, 71, and his wife Susan, 68, from Llanrwst in the Conwy Valley, couldn't believe their luck when their daughter Gemma Davison-Lemalle, 30, saw a picture of her childhood pet on the page.George went missing from North Wales home and turned up in YorkshireRunaway 18-year-old tabby has been reunited with owners after five weeksThey believe he ran off towards caravan park and hitched a 128-mile rideHe was found 'poorly, thin and grumpy' on Julia Hill's doorstep last week 
 Question:Gemma said: 'We can't thank _ enough for taking such good care of him for us.

Julia Hill