An example of a "hidden cause" might be that sugar dissolves faster each time more sugar is dissolved into the same pot.
(An example of a "hidden cause; might be; that sugar dissolves faster each time more sugar is dissolved into the same pot) (each time more sugar; is dissolved; into the same pot; T:faster)
An example of a "hidden cause each time more sugar
might be is dissolved
that sugar dissolves faster each time more sugar is dissolved into the same pot
into the same pot T:faster