The Spanish translation of the provided sentences indicates different subjects based on the pronouns used.
Vosotros vais de vacaciones a Costa Rica.
Usted va de vacaciones a Canadá.
Tú vas de vacaciones a Colombia.
When translating the sentence to Spanish, the subject is different depending on the form of the pronoun used. 'Vosotros' is the informal plural 'you' in Spain, 'Usted' is the formal 'you' singular, and 'Tú' is the informal singular 'you'.