landmass

Deductions

• feature type is for example landmass ⇐ (landmass is a feature type), (is a is inverse of is for example)
• landmass is a feature type ⇐ (body of water is a feature type), (body of water is opposite of landmass)
• landmass is for example Africa ⇐ (Africa is a landmass), (is a is inverse of is for example)
• landmass is for example British Isles ⇐ (British Isles is a landmass), (is a is inverse of is for example)
• landmass is for example North America ⇐ (North America is a landmass), (is a is inverse of is for example)
• ocean is subclass of landmass ⇐ (continent is subclass of landmass), (continent is opposite of ocean)
• North America is a landmass ⇐ (continent is subclass of landmass), (North America is a continent)
• Africa is a landmass ⇐ (continent is subclass of landmass), (Africa is a continent)
• British Isles is a landmass ⇐ (archipelago is subclass of landmass), (British Isles is a archipelago)