The noun in this sentence which is uncountable, meaning that it names something that cannot be counted is the noun water.
You cannot count how many waters there are - it is uncountable. The other nouns, students and pitcher are countable, so they cannot be the correct answers, but rather water is.
I would like to meet Jesse Pinkman from breaking bad I want to meet this fictional character because I feel like if I met him I would help him feel better throughout his sadness.
White is lighthearted, while thoreau is thought provoking.