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: the main issues are high cost , low energy density and heavy weight of batteries .

Answer: the main problems are high costs , low energy concentrations and a high battery charge , which greatly limits the commuter distance .

Question: as i was -- when i came out of the store ... ... it came to me .

Answer: when i came out of the store ... ... i thought of it .

Question: you got the '' p. '' now it was michael 's turn to take something from gob- starla .

Answer:
and now it was michael 's turn to take something gobo-starla .