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.

the main issues are high cost , low energy density and heavy weight of batteries .
the main problems are high costs , low energy concentrations and a high battery charge , which greatly limits the commuter distance .

but in his heart there was a coldness , a block of hardening ice .
but there was a cold in his heart , tugging like a piece of ice .

leave a message ! - leave a message ! hi .
you can leave a message .