Treebank Statistics: UD_English-Atis: Relations: root
This relation is universal.
5432 nodes (9%) are attached to their parents as root.
5432 instances of root (100%) are left-to-right (parent precedes child).
Average distance between parent and child is 2.30706921944035.
The following 9 pairs of parts of speech are connected with root: -VERB (3711; 68% instances), -PRON (631; 12% instances), -NOUN (605; 11% instances), -ADJ (202; 4% instances), -PROPN (140; 3% instances), -ADP (81; 1% instances), -AUX (33; 1% instances), -ADV (27; 0% instances), -DET (2; 0% instances).
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1 i I PRON _ Case=Nom|Number=Sing|Person=1|PronType=Prs 2 nsubj _ _
2 want want VERB _ Mood=Ind|Tense=Pres|VerbForm=Fin 0 root _ _
3 a a DET _ PronType=Art 4 det _ _
4 flight flight NOUN _ Number=Sing 2 obj _ _
5 from from ADP _ _ 6 case _ _
6 memphis Memphis PROPN _ Number=Sing 4 nmod _ _
7 to to ADP _ _ 8 case _ _
8 seattle Seattle PROPN _ Number=Sing 4 nmod _ _
9 that that ADP _ _ 10 nsubj _ _
10 arrives arrive VERB _ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 acl:relcl _ _
11 no no DET _ PronType=Art 12 det _ _
12 later late ADV _ Degree=Pos 10 obl _ _
13 than than ADP _ _ 15 case _ _
14 3 3 NUM _ NumType=Card 15 nummod _ _
15 pm pm NOUN _ Number=Sing 12 nmod _ _
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1 what what PRON _ PronType=Int,Rel 0 root _ _
2 is be AUX _ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 1 cop _ _
3 restriction restriction NOUN _ Number=Sing 4 compound _ _
4 ap57 Ap57 PROPN _ Number=Sing 1 nsubj _ _
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1 flights flight NOUN _ Number=Plur 0 root _ _
2 from from ADP _ _ 3 case _ _
3 pittsburgh Pittsburgh PROPN _ Number=Sing 1 nmod _ _
4 to to ADP _ _ 5 case _ _
5 baltimore Baltimore PROPN _ Number=Sing 1 nmod _ _
6 between between ADP _ _ 8 case _ _
7 10 10 NUM _ NumType=Card 8 nummod _ _
8 am am NOUN _ Number=Sing 1 nmod:tmod _ _
9 and and CCONJ _ _ 11 cc _ _
10 2 2 NUM _ NumType=Card 11 nummod _ _
11 pm pm NOUN _ Number=Sing 8 conj _ _