QUES: It is likely that this number is a premiumrate number and there is really no doubt that you will be asked to buy a very expensive but untrustworthy program

correct the punctuation.

CORRECTED: It is likely that this number is a premium-rate number, and there is really no doubt that you will be asked to buy a very expensive, but untrustworthy, program.
Question: Last year a LEGO model of the XWing fighter was revealed under massive media attention in Times Square New York
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Answer: Last year, a LEGO model of the X-Wing fighter was revealed under massive media attention in Times Square, New York.
After a break of three years he returned to MIT in the spring of 1946 but it was not clear at this stage in which area Kiefer wanted to make a career

Can you repeat this sentence, but add in punctuation?
After a break of three years he returned to MIT in the spring of 1946 but it was not clear at this stage in which area Kiefer wanted to make a career.
input: In order to be safe in terms of the data stored in your hard drives it is always better to take a proper backup of important files
fixed: In order to be safe in terms of the data stored in your hard drives, it is always better to take a proper backup of important files.
input ---- On Saturday it will be cloudy but mostly dry Morning temperatures will be around 23 C During the day they will reach a maximum of 31 C Low temperatures at night will be around 24C Easterly winds are weak
output ---- On Saturday it will be cloudy, but mostly dry. Morning temperatures will be around 23 C. During the day they will reach a maximum of 31 C. Low temperatures at night will be around 24C. Easterly winds are weak.
Add punctuation: With Tarjas operatic voice at the center and that orchestras also have been used in two of the last albums defined the music much more often as opera metal
A:
With Tarja's operatic voice at the center and that orchestras also have been used in two of the last albums defined the music much more often as opera metal.