( ( The tilt ) ( ( is ( called ( ( the angle ) ( of inclination ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN tilt)) (VP (VBZ is) (VP (VBN called) (NP (NP (DT the) (NN angle)) (PP (IN of) (NP (NN inclination)))))) (. .)))
The tilt is called the angle of inclination.
(ROOT (S (NP (NP (NNP Instruments)) (SBAR (WHNP (WDT that)) (S (VP (VB measure) (NP (NP (DT the) (NN angle)) (PP (IN of) (NP (NP (DT the) (NN slope)) (PP (IN of) (NP (DT a) (NN volcano)))))))))) (VP (VBP are) (VP (VBN called) (NP (NN tilt) (NNS meters)))) (. .)))