of different nationalities are in a dilemma.
speak only two of
the following languages: French, English, Spanish and Mandarin.
do not have a
common language that they all speak.
one language is
spoken by more than two students.
: - No one speaks
French and Spanish.
- John does not speak English but can act as interpreter when Pierre
and Simon wish
to communicate to one another.
- Simon speaks Spanish and can converse with Guillaume even though
Guillaume does not speak
- John, Pierre and Guillaume can not converse in the same language.
: Which languages does each