The present invention provides a system and method for providing requests using linguistic terms to describe importance and degrees of satisfaction. For example, a user may submit a bid invitation for items and use linguistic terms to describe the importance of each item and of attributes of the items. Linguistic terms may also be used to describe degrees of satisfaction with possible values of attributes of the items. The system and method of the present invention use fuzzy logic to evaluate the offers. The evaluation provides a degree of satisfaction based on the information provided by the user.