AppleScript: word count

Hi,

Below is an excerpt from my code where I'm wanting to say that if wordStr has more than 2 words then do this thing or if it has less than/nothing then do the other thing.

I can't seem to be able to get it working correctly. Please help thanks

if wordStr is greater than (2 words) then

set vol to word 2 of textNeeded

set the clipboard tovol

tell application "Numbers" to activate

tell application "System Events"

tell process "Numbers"

keystroke "["

keystrokevol

keystroke "]"

keystroke " "

end tell

end tell

if wordStr is less than (2) then

tell application "Numbers" to activate

tell application "System Events"

tell process "Numbers"

keystroke " "

end tell

end tell

end if

end if