1 and 2 set a staggered screen for 4 to the top to receive pass from 3.

Option 1 is for 4 to hit 2 for the shot coming off of 5's flare screen. 3 cuts to opposite corner and may be open on a pass from 2 if 2 isn't open for the shot.

Option 2, if 4 does not hit 2 on the flare, is for 1 to ballscreen for 4.

1 pops after the screen and 5 dives. 4 attacks the rim to score or can hit an open teammate for a shot.