Treebank Statistics: UD_English-ParTUT: Relations: compound
This relation is universal.
There are 1 language-specific subtypes of compound: compound:prt.
124 nodes (0%) are attached to their parents as compound.
118 instances of compound (95%) are right-to-left (child precedes parent).
Average distance between parent and child is 1.12903225806452.
The following 8 pairs of parts of speech are connected with compound: NOUN-NOUN (70; 56% instances), PROPN-PROPN (22; 18% instances), NUM-NUM (16; 13% instances), ADJ-PROPN (5; 4% instances), NOUN-NUM (4; 3% instances), NOUN-PROPN (4; 3% instances), PROPN-NOUN (2; 2% instances), PROPN-X (1; 1% instances).
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1 We we PRON PE Number=Plur|Person=1|PronType=Prs 2 nsubj _ _
2 exhale exhale VERB V Mood=Ind|Number=Plur|Tense=Pres|VerbForm=Fin 0 root _ _
3 carbon carbon NOUN S Number=Sing 4 compound _ _
4 dioxide dioxide NOUN S Number=Sing 2 obj _ SpaceAfter=No
5 , , PUNCT FF _ 7 punct _ _
6 so so ADV B _ 7 advmod _ _
7 does do AUX VM Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 2 conj _ _
8 mycelium mycelium NOUN S Number=Sing 7 nsubj _ SpaceAfter=No
9 . . PUNCT FS _ 2 punct _ _
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1 South South PROPN SP Number=Sing 2 compound _ _
2 Korea Korea PROPN SP Number=Sing 5 nmod:poss _ _
3 's 's PART PART _ 2 case _ _
4 Feminine feminine ADJ A Degree=Pos 5 amod _ _
5 Future future NOUN S Number=Sing 0 root _ SpaceAfter=No
6 . . PUNCT FS _ 5 punct _ _
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1 420 420 NUM N NumType=Card 2 compound _ _
2 million million NUM N NumType=Card 3 nummod _ _
3 years year NOUN S Number=Plur 4 obl _ _
4 ago ago ADV B _ 8 advmod _ SpaceAfter=No
5 , , PUNCT FF _ 4 punct _ _
6 this this DET DD Number=Sing|PronType=Dem 7 det _ _
7 organism organism NOUN S Number=Sing 8 nsubj _ _
8 existed exist VERB V Mood=Ind|Person=3|Tense=Past|VerbForm=Fin 0 root _ SpaceAfter=No
9 . . PUNCT FS _ 8 punct _ _