instruction:
In this task, you will be shown a passage. You need to write a fill-in-the-gap question based on your understanding of the events that might be inferred from the passage. Your question should be answerable based on the passage and only have one correct answer. Show the gap in your question with a _ .
question:
They have made well over 1000 appearances between them for Barcelona, but Andres Iniesta has admitted that he sometimes struggles to play in the same team as Xavi. The pair are Barcelona legends, having been at the club since the beginning of their careers, but after their win at the weekend Iniesta produced some surprising comments about his oldest team-mate and friend. 'Sometimes I get the feeling that it seems we can't play together,' Iniesta told Marca. Andres Iniesta and Xavi (right) have had a long, successful career together in Barcelona's first team Despite their incredible careers, Iniesta (left) says that he sometimes struggles to play alongside XaviBarcelona star Andres Iniesta says he struggles in the same team as XaviXavi and Iniesta have been in Barcelona's first team together since 2002Iniesta went on to say that it is still a privilege to play alongside XaviBarcelona beat Rayo Vallecano 6-1 on Sunday to go top of La LigaCLICK HERE for all the latest Barcelona news
answer:
Since _ made his debut in 2002, the pair have been regulars in the first team at Barcelona.


question:
Skipper Michael Shenton grabbed four tries as Castleford started their Super League 8s campaign with a 36-30 win over Hull. England centre Shenton's clinical finishing proved decisive as the Tigers recovered from 12-0 down after just five minutes. Luke Gale, who scored a try and landed six goals, was also an important contributor as the Tigers avenged two defeats against Hull this season. Hull failed to build on their flying start as their top-four hopes faded with a defeat that left them six points drift of Castleford and Huddersfield, who are now level on 28 points. Former Leeds Rhinos and Wakefield Wildcats hooker Paul McShane made his Castleford debut and loose-forward Nathan Massey returned after missing three matches with an ankle injury.Luke Gale scored a try and landed six goals for the home sideFormer Leeds Rhinos hooker Paul McShane made his Castleford debutHull welcomed back centre Setaimata Sa after several weeks out injured
answer:
Castleford finally clicked into gear to cut the gap to two points with two tries in three minutes from _.


question:
Brussels, Belgium (CNN) Police detained six people in raids Thursday night as investigators raced to uncover the network behind this week's terror attacks in the Belgian capital. The Belgian federal prosecutor's office didn't provide details about who had been detained in the Brussels raids, why they had been apprehended or whether they will face charges. "It will be decided tomorrow if these people will remain in custody," the office said in a statement released late Thursday. Two people were taken into custody in Brussels' Jette neighborhood, one person was detained in a different part of the capital, and three people were in a vehicle in front of the federal prosecutor's office when authorities apprehended them, public broadcaster RTBF reported.Police seal off streets as teams in hazmat gear comb a building in BrusselsReport: Three people are detained in a vehicle in front of the federal prosecutor's officeThree attackers are dead, and authorities are looking for two others
answer:

That man, they say, shown in photographs wearing a black hat, was one of three attackers at _.