Does a woman become a wet nurse to a child if she nurses him artificial milk for five days, at a rate of a coffee cup each day?

The milk that issues from a woman's breast makes [a child] a prohibited [relative] if consumed within the two years [of nursing], whether the child suckles directly from the breast or drinks the milk in another way, as long as the milk has nourished the child and satisfied his hunger. So if the child drinks a single cup of the woman's milk, that woman becomes his mother through suckling.