Do you see Spot running?
Spot is running fast.
Because Spot is running fast, a dog catcher is chasing him. Or
A dog catcher is chasing Spot because he is running fast.
Do you see --Spot running?-- the giant robot of doom?
--Spot is-- I am running fast.
Because --Spot-- I is running fast, --a dog catcher-- because a robot is chasing --him-- me. Or
--A dog catcher is chasing Spot because he is running fast.-- I will steal all of your money and spend it on DDR.