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].

Nicolas Hamilton, the younger brother of Formula One world champion Lewis Hamilton, is to compete in this season’s British Touring Car Championship. Hamilton, who has cerebral palsy, will make his debut in June and becomes the first disabled driver to compete in the series. The 22-year-old will take part in five of the 10 rounds at Croft, Snetterton, Rockingham, Silverstone and the final meeting of the championship at Brands Hatch. Scroll down for video... Nicolas Hamilton posed a picture with his British Touring Car. The Briton said 'it's been a tough few months' Nicolas Hamilton, pictured with his older brother Lewis at the Indian Grand Prix in 2013Nicolas Hamilton will take part in five of the 10 championship roundsThe 22-year-old lives with the neurological condition cerebral palsyHe competed in the Renault Clio Cup in 2011 and 2012Nicolas is the younger brother of F1 world champion Lewis Hamilton 
 Question:Nicolas' brother Lewis Hamilton is bidding to become the first _ to successfully defend his Formula One title.
Briton

Washington (CNN) Donald Trump said Sunday that Russian President Vladimir Putin won't make a military move into Ukraine -- even though Putin already has done just that, seizing the country's Crimean Peninsula. "He's not going into Ukraine, OK, just so you understand. He's not going to go into Ukraine, all right? You can mark it down. You can put it down. You can take it anywhere you want," Trump said in an interview on Sunday with ABC's George Stephanopoulos on "This Week." "Well, he's already there, isn't he?" Stephanopoulos responded, in a reference to Crimea, which Putin took from Ukraine in early 2014.Donald Trump insisted Russia's Vladimir Putin is 'not going to go into Ukraine'Putin did just that in 2014, seizing Ukraine's Crimean peninsula 
 Question:Trump attempted to clarify his position on the conflict between Ukraine and _ in a series of tweets Monday morning, after he was criticized for his muddled response in the interview.
Russian

An 18-year-old new mother battling bone cancer has told how she is unable to get up and see to her crying daughter during the night because the disease has turned her hip to 'chalk'. 'Whenever I want to hold Casey someone has to bring her to me or they have to get everything for her, it’s upsetting when you’re a first-time mum,' Emma Drummond told Daily Mail Australia from her home on the NSW south coast. The teen, from Mount Warrigal near Wollongong, explained that if she had not become pregnant she may never have even discovered that she has bone cancer as during pregnancy doctors passed off her severe leg pain as a strain from her baby's position in her stomach.Emma Drummond, 18, was diagnosed with a rare form of cancer on May 1Her daughter Casey-Lee was born five-months earlierDoctors presumed her daughter was leaning on a nerve causing the painHowever the teen is now undergoing intense chemotherapyShe is unable to apply pressure to her hip or the cancer will spread rapidlyHer mother has been forced to give up her job to care for the both of themThe family have set up a campaign page to raise funds for the family 
 Question:Doctors told _ that the hormones from her pregnancy had caused her cancer to become highly aggressive and had moved it along far quicker than usual.

Emma Drummond