>>So, what are your predictions?
>>
>>

? .f. or .t. or .f. and .f. or .f.
>>? .f. or .f. or .t. and .f. or .f.

>
>As Sergey said, True for the first, False for the second. AND has higher precedence than OR.
>

I'm going with Null in both cases <g>. It's too early to think that hard.