Task: Question Answering
Input (English): Problem: liam is pulled over for speeding just as he is arriving at work. he explains to the police officer that he could not afford to be late today, and has arrived at work only four minutes before he is to start. the officer explains that if liam had driven 5 mph slower for his whole commute, he would have arrived at work exactly on time. if liam ' s commute is 10 miles long, how fast was he actually driving ? ( assume that liam drove at a constant speed for the duration of his commute. )
Options: a. 50 mph, b. 45 mph, c. 48 mph, d. 30 mph, e. 60 mph
Output (English): d