source: The Sheppard line not only has fewer users than the other two subway lines, it also runs shorter trains
target: Right now the Sheppard line has fewer users than the other two subway lines, so shorter trains are run.
references: Right now the Sheppard line has fewer users than the other two subway lines, so shorter trains are run. The Sheppard line currently used other then then two subway lines. The Sheppard line currently has fewer users than the other two subway lines. The Sheppard line now has less users than the other two underground lines, and shorter trains are run. The Sheppard line now has less users than the other two subway lines, and shorter trains are run. The other two subway lines have more users than the Sheppard line . Shorter trains run through it. The Sheppard line has fewer users than other two subway lines and shorter trains are run.