xml with 4 conditions

Hello, I was wondering if anyone can help. Ive been experimenting for some time with no succes so far. I need a xml code to be "activated" when 4 conditions are met. all 4 of em, 3 is not enough.

my idea is to make 2x "L" each out of 2x "A" and than put those 2 "L"s together with a result but it doesnt work :(

here is an example:

(A:AAAA,feet/minute) 50 > (A:BBBB,knot) 50 L:ABAB, bool) } els{ 0 (>L:ABAB, bool) }

-5 5 (A:CCCC, degrees) rng; -5 5 (A: DDDD, degrees) rng; && if{ 1 (>L:CDCD, bool) } els{ 0 (>L:CDCD, bool) }

(L:ABAB, bool) 1== (L:CDCD, bool) 1== && if{ 50 (>K:xx_yy_zz) }

first or second line works separatly, but not together as I would like it to. any advices?

Hello,

First, i would make a space between 1 and "is equal" (1 ==)

then remove all ; behind "rng"!

All in all it should look like this:

(A:AAAA,feet/minute) 50 > (A:BBBB,knot) 50 L:ABAB, bool) } els{ 0 (>L:ABAB, bool) }
-5 5 (A:CCCC, degrees) rng -5 5 (A:DDDD, degrees) rng && if{ 1 (>L:CDCD, bool) } els{ 0 (>L:CDCD, bool) } 
(L:ABAB, bool) 1 == (L:CDCD, bool) 1 == && if{ 50 (>K:xx_yy_zz) }