This is a paraphrasing task. In this task, you're given a sentence and your task is to generate another sentence which express same meaning as the input using different words.
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Question: they just open their mouth , half of england thinks that they speak for all the muslims .

Answer: when they have a speech , half of london thinks they speak for all muslims .

Question: remember that you 're not 15 years old .

Answer: remember , you 're not 15 .

Question: the gstreamer elements required for replaygain processing are not available . the missing elements are : % s

Answer:
failed to create the gstreamer element to replaygain . do not contain : % s