Would the following phrase be considered positive or negative?

this loser

negative

Would the following phrase be considered positive or negative?

is without doubt an artist of uncompromising vision , but that vision is beginning to feel , if not morally bankrupt , at least terribly monotonous

negative

Would the following phrase be considered positive or negative?

keeps the film grounded in an undeniable social realism

positive

Would the following phrase be considered positive or negative?

there is nothing funny in this every-joke-has - been-told-a - thousand-times - before movie .
negative