replace below with above.

I was conflicted re: below/beside
I wanted a visual cue, so

```
(below 
     a
     b)
```

has a on top and

`(beside L R)`

has L on the left, but that is not what

`(> a b)`

is like. (as in a is greater than b here

call it above, then

`(above a b) -> a "above" b`
