QUESTION: If "One of the players is playing for the irish team." does that mean that "The players are participating in a sport."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Players participating on a team is a good indication that they are playing in a sport.
The answer is yes.

QUESTION: If "A girl in a green shirt is playing on a swing." does that mean that "The girl is wearing a shirt."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The girl is in a green shirt. So she is wearing a shirt.
The answer is yes.

QUESTION: If "A number of identically costumed women dance outdoors before an audience." does that mean that "Women perform a traditional hawaiian dance."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Just because identically costumed women dance outdoors doesn't imply a traditional Hawaiian dance.
The answer is it is not possible to tell.