alarm
alert
answer
answering
attention
away
beware
boss
brainstorming
business
businessman
caution
challenge
choice
confused
confusion
danger
dangerous
decision
direction
doubt
error
escaping
exclamation
future
hazard
help
important
job
journey
man
mark
message
opportunity
problem
question
risk
road
running
safety
scared
sign
solution
stop
symbol
thinking
uncertainty
warning
work