( ( ( The range ) ( of ( projectile points ) ) ) ( ( suggests ( ( the site ) ( ( was ( most frequently ) ) ( used ( by ( Archaic groups ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN range)) (PP (IN of) (NP (JJ projectile) (NNS points)))) (VP (VBZ suggests) (SBAR (S (NP (DT the) (NN site)) (VP (VBD was) (ADVP (RBS most) (RB frequently)) (VP (VBN used) (PP (IN by) (NP (JJ Archaic) (NNS groups)))))))) (. .)))
The range of projectile points suggests the site was most frequently used by Archaic groups.
(ROOT (S (NP (NNP Range)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT the) (JJ horizontal) (NN displacement)) (PP (IN of) (NP (NP (DT a) (NN projectile)) (PP (IN from) (NP (PRP$ its) (JJ starting) (NN point))))))))) (. .)))