If exactly two girls change groups at the end of the first week, those two girls could be which of the following?

At the start of a two-week hiking trip, eight girls— Fozia, Tina, Juwaria, Kiren, Milaka, Samina, Tamina, and Raheela—will divide into a. Lake Group and a Mountain Group of four members each. After following different trails for one week, the groups will meet and the girls will again divide into a Lake Group and a Mountain Group of four members each, which will again follow different trails for a week. The groups must be formed with the following restrictions: For the first week, Tamina cannot be in the same group as Raheela. For the second week.' both Tamina and Raheela must be in the Lake... Show more

At the start of a two-week hiking trip, eight girls— Fozia, Tina, Juwaria, Kiren, Milaka, Samina, Tamina, and Raheela—will divide into a. Lake Group and a Mountain Group of four members each. After following different trails for one week, the groups will meet and the girls will again divide into a Lake Group and a Mountain Group of four members each, which will again follow different trails for a week. The groups must be formed with the following restrictions: For the first week, Tamina cannot be in the same group as Raheela. For the second week.' both Tamina and Raheela must be in the Lake Group. For each of the two weeks, if Fozia is in the Mountain Group, Kiren must also be in the Mountain Group. For each of the two weeks, Juwaria must be in the same group as Milaka.    
 

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