Seven smartphones, X, Y, Z, P, Q, R, and S have the following characteristics:

(a) Smartphone X has a larger screen size than smartphone S but has a lower battery life than smartphone R.

(b) Smartphone Y has a better battery life than smartphone P but has a smaller screen size than smartphone R.

(c) Smartphone Z has a lower screen size than smartphone P and has a better battery life than smartphone S.

(d) Smartphone R has a lower battery life than smartphone Q and has a lower screen size than smartphone Z.

(e) Smartphone P does have the lowest battery life and has a best screen size among all smartphone.

(f) Smartphone S has the better battery life then smartphone Q.

(g) Smartphone Q has not bigger screen size than Smartphone Y but bigger screen size than Smartphone X.