please explain each part of discrete true/false. thank you.

Refer to the Tarski world given below. The domain of all variables consists of all the objects in the Tarski world. For each statement indicate whether it is true or false. O IN There is a triangle x such that for all circles y we [ Choose ] have x is above y. For every object x, there is an object y such that if x is not the same as y then x and y have different [ Choose ] colors. There is a circle x and there is a square y such [Choose ] that x and y have the same color. For all circles x and all squares y, there exist a [ Choose ] triangle z such that z is a different color from x and y