tvtropes had a good write-up of the "guess the verb" phenomenon with several Sierra examples including the infamous case of needing to "press" (but not "push")

tvtropes had a good write-up of the "guess the verb" phenomenon with several Sierra examples including the infamous case of needing to "press" (but not "push") a button http://tvtropes.org/pmwiki/pmwiki.php/Main/YouCantGetYeFlask http://tvtropes.org/pmwiki/pmwiki.php/Main/YouCantGetYeFlask