You'll

  use

Verbo

  your

Pronome

  knowledge

Substantivo

  for

Adposición

  the

Determinador

  welfare

Substantivo

  of

Adposición

  the

Determinador

  oasis

Substantivo

  and

Conxunción coordinadora

  its

Pronome

  inhabitants

Substantivo

.

You'll use your knowledge for the welfare of the oasis and its inhabitants.

You'll use your knowledge for the welfare of the oasis and its inhabitants.