Introduction:
Anne Sullivan was a teacher who played a crucial role in helping Helen Keller, a deaf-blind child, to communicate and understand the world around her. One of the challenges Anne faced was to teach Helen the difference between a "mug and water." With patience, creativity, and persistence, Anne used various methods to make Helen understand the concept.

Creating Associations:
Anne started by associating the word "mug" with the object itself. She consistently placed Helen's hands on the mug while signing the word "mug" and tracing the letters on Helen's palm. This helped Helen establish a tactile connection between the word and the object.

Using Water as a Cue:
To further differentiate between the mug and water, Anne utilized the element of water as a cue. She poured water into the mug, allowing Helen to feel the liquid and understand its properties. By repeating this action several times, Anne ensured that Helen associated the sensation of water with the mug.

Consistent Reinforcement:
Anne continued to reinforce the concept by repeatedly using the words "mug" and "water" together. She would pour water into the mug and make Helen touch the mug while saying the word. This repetition helped Helen establish a strong connection between the two concepts.

Contextualizing the Lesson:
Anne also provided contextual cues to reinforce the understanding. For instance, she would offer Helen a drink from the mug or ask her to fill it with water. By associating practical situations with the objects and their names, Anne helped Helen grasp the purpose and distinction between a mug and water.

Gradual Expansion of Vocabulary:
Once Helen understood the difference between a mug and water, Anne expanded her vocabulary by introducing related words such as "drink," "pour," and "empty." By linking these words to actions involving the mug and water, Anne facilitated Helen's comprehension of broader concepts.

Conclusion:
Through consistent reinforcement, sensory experiences, and contextualization, Anne Sullivan successfully helped Helen Keller understand the difference between a mug and water. Anne's patient and creative teaching methods played a vital role in enabling Helen to grasp the meaning of these words and expand her understanding of the world.