Anchor: Construction equipment needed for installation of an ACI system includes standard construction equipment - welders, excavation equipment, concrete pouring equipment, cranes, etc.
Entailed: Standard construction equipment is used for ACI system installation.
Contradiction: Installing an ACI system requires no tools and can be done by a single technician.
Contradiction: Three woman yelling at a bird inside the boxing ring.
Contradiction: A person is pouring a liquid.
Contradiction: A girl is sitting.
Contradiction: A man is speaking in the microphone.