CONCEPTS: hip, muscle, thigh

GEN: muscles of the anterior right hip and thigh .

CONCEPTS: genus, grow, rock

GEN: biological genus grows from a crack in a rock

CONCEPTS: aircraft, approach, boee, gear, land

GEN: front of a boeing aircraft on approach to land with landing gear down

CONCEPTS: history, learn, student

GEN:
students learning about culture and history with a guide .