If you want to watch movies, you need Cinema;
if you want to watch TV programmes, you need Entertainment;
If you want any of;
to watch in Full HD;
to have 5.1 surround sound instead of stereo;;
to watch On Demand programmes without adverts;
to watch on up to three devices at once, rather than just one;
then you need Boost.
Work out what you do and don’t want, and cancel any of the three memberships you don’t need.