Question:
She tried to remove the nail polish from her fingernails, but she used too little and the

Answer:
Continue the sentence -- nail polish didn't come off.

Question:
Kenneth spoke to Christopher in French even though

Answer:
Continue the sentence -- Kenneth could not speak it very well.

Question:
Kevin was a much better baseball player than Christopher because

Answer:
Continue the sentence -- Kevin had control over the ball.

Question:
Carrie could not handle the R movie, while Cynthia was fine with it, because

Answer:
Continue the sentence -- Carrie was insufficiently mature for it.