abstract
adversity
against
assignment
battle
blindfolded
cannot be
challenge
close minded
competition
complex
complicated
concept
dangerous
difficult
difficulty
far out
futile
hard
hazy
hopeless
impossible
impossible concept
impracticable
imprint
intricate
isolated
labyrinthine
mission
objection
obstacles
operation
oppressive
pessimist
pessimistic
road to nowhere
roadblock
sensitive
surreal
target
task
tricky absurd
unconquerable
unforeseen
unknown
unthinkable
unusual
warning
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