Three sentences are given. You need to find if they are grammatically correct or incorrect and mark the answer accordingly.

(P) He looked a look of vicious happiness and eagerly pried the watch open, and then put a small dice-box into his eye and peered into it's machinery

(Q) After being cleaned and oiled, and regulated, my watch slowed down to that degree that it ticked all appointments I go to, missing my dinner, I gradually drifted back into yesterday,

(R) then the day before, then into last week and by and by the comprehension came upon me that, all solitary and alone, I was lingering alone in the week before last and the world was out of sight.