Answer:
Oral thrush is a fungal infection caused by the Candida yeast. Oral thrush causes patches to develop in the mouth and on the tongue. These patches usually have a white or off-white color and may have an unpleasant taste. Oral thrush can also be painful, especially when eating or drinking.
Explanation:
There's not really a specific way, but be persistent. If you don't agree, say no. Don't let them change your mind