Look at this pair of sentences. Choose from the phrases to complete sentence b with the same meaning as sentence a.
a) We can't sell them unless it is the right product.
b) We isn't possiblearen't able's importantisn't advisable to sell them unless it is the right product.

К сожалению, у нас пока нет статистики ответов на данный вопрос, но мы работаем над этим.