I'm confused about this question, could you explain maybe providing examples? Thank you so much.

Is x^4 + y^4 > z^4 ?

1) x^2 + y^2 > z^2

2) x + y > z

A) Statement 1) alone is sufficient

B) Statement 2) alone is sufficient

C) Statements 1) and 2) together are sufficient

D) Each statement alone is sufficient

E) Statement 1) and 2) together are not sufficient