challenge-n; 7 Senses

Sense Number 1: stimulating or demanding factors of a situation

Commentary: CHALLENGE[+event][+state][+factor][+stimulating]

Examples:
This rocket ship has been built to withstand the challenges of deep space.
John likes the challenge of running his own company.
Her challenge will be to bring the three parties to the negotiating table.
The challenge of feeding a starving population and fighting a war was beyond the government's ability.

Mappings:
PropBank: challenge.01
WordNet 3.0 Sense Numbers: 1

Sense Number 2: objection or protest

Commentary: CHALLENGE[+event][+activity][+communication][+objection]

Examples:
The audience made several challenges to the claims of the speaker.
Her challenge of the assumption that extra dimensions must be tiny has stirred the physics community.
There are already legal challenges to this bill on constitutional grounds.

Mappings:
PropBank: challenge.01
WordNet 3.0 Sense Numbers: 3

Sense Number 3: a summons or call to action, as a contest or showdown

Commentary: CHALLENGE[+activity][+summons] a call to engage in a contest or fight

Examples:
When she accepted his challenge, she knew there was no turning back.
Jane and Bob signed on for the BP Challenge, a sailboat race around the world.
Will the heavyweight champion accept this challenge from the young Bulgarian fighter?
Count Cristo made his challenge to the Duke by slapping his glove across the man's face.

Mappings:
PropBank: challenge.01
WordNet 3.0 Sense Numbers: 2

Sense Number 4: demand for a code or password

Commentary: CHALLENGE[+test][+demand] a demand for a password or ID

Examples:
The computer will present you with a challenge, at which point you type in the access code.
You must know the answers to the troll's three challenges to enter the castle in that adventure game.
The enemy scout got caught when he failed the sentry's challenge at the gate.

Mappings:
PropBank: challenge.01
WordNet 3.0 Sense Numbers: 5

Sense Number 5: formal objection to a candidate juror

Commentary: CHALLENGE[+activity][+rejection][+juror] a formal objection to the selection of a particular person as a juror

Examples:
If the judge allows the challenge, the juror will be replaced.
Both attorneys are allowed to make challenges to the jury selection.

Mappings:
PropBank: challenge.01
WordNet 3.0 Sense Numbers: 4

Sense Number 6: testing physiological activity by exposure to a substance

Commentary: CHALLENGE[+event][+activity][+test][+experiment][+physical]

Examples:
They used two different antigens as challenges to the human immune system.
These chemicals seem to form a family of challenges to certain metabolic processes.

Mappings:
PropBank: challenge.01
WordNet 0.0 Sense Numbers: 4

Sense Number 7: none of the above

Commentary: Automatically generated NOTA sense (bbn)

Examples:

Mappings:
PropBank: NM