Which of the following groups of landforms is associated with sandstone formations in Nigeria?

Cuseta, gullies, dry valleys, residual hills

Cuesta, bornhard, gullies, dry valleys

Cuesta, inselbergs, escarpments, dry valleys,

Bornhardts, inscarpbergs , gullies, cornstones

Cuesta, residual hills, escarpments,corestones,