Original: Trains on lines 2 , 6 , 7 , 9 and 10 consist of eight cars , on lines 1 , 3 , 8 of seven cars and on lines 4 , 5 and 11 of six cars .
Simplified: Trains on lines 2 , 6 , 7 and 9 have eight cars , on lines 1 , 3 , 8 , 10 seven cars and on lines 4 , 5 and 11 six cars .