Task: Question Answering
Input (English): Problem: in what time will two trains cross each other completely , which are running on the same parallel lines in opposite directions , each train running with a speed of 90 kmph being 160 m and 140 m in length respectively ? 
Options: a ) 5.6 sec , b ) 6.2 sec , c ) 6.0 sec , d ) 7.2 sec , e ) 6.8 sec
Output (English): c