You are given a sentence in Italian. Your job is to translate the Italian sentence into English.

Q: Ho dovuto fare molto allenamento.

A: So I've had to do quite a lot of training.
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Q: Vedete il cuore che esce qui. ci vogliono circa 40 minuti per stamparlo, e da sei a otto ore dopo vedete le cellule del muscolo che si contraggono.

A: You see the heart coming out there. It takes about 40 minutes to print, and about four to six hours later you see the muscle cells contract.
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Q: E 'il carbone a causare problemi al clima.

A:
Coal is what is causing the climate problems.
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