define set1p *.O?'
define set1n *.C?'
define set2p *.OP?, *.OP
define set2n *.OP
define set4p  *.O6, *.O4, *.N6, *.N7, *.N4  and dna
define set4n *.C6, *.C5, *.C4, *.C7, *.C8 and dna
define set5p *.O2, *.N3, *.N1,*.N2, *.N9 and dna 
define set5n *.C2 and dna 
define set6n *:C.C?, *:C.C?? and protein
define set6p *:C.N?, *:C.N, *:C.N??, *:C.S?, *:C.O?, *:C.O?? and protein
select within (3.5, set1p) and set6p
pause
select within (4.5, set1n) and set6n
pause
select within (3.5, set2p) and set6p
pause
select within (4.5, set2n) and set6n
pause
select within (3.5, set4p) and set6p
pause
select within (4.5, set4n) and set6n
pause
select within (3.5, set5p) and set6p
pause
select within (4.5, set5n) and set6n