1 The the DT 3 NMOD 2 study study NN 3 NMOD 3 physician physician NN 4 SBJ 4 called call VBD 0 ROOT 5 a a DT 6 NMOD 6 hematologist hematologist NN 4 OBJ 7 and and CC 4 COORD 8 while while IN 17 TMP 9 she she PRP 10 SBJ 10 was be VBD 8 SUB 11 on on IN 10 PRD 12 hold hold NN 11 PMOD 13 I i PRP 15 NMOD 14 ( ( -LRB- 15 P 15 investigator investigator NN 17 SBJ 16 ) ) -RRB- 15 P 17 asked ask VBD 7 CONJ 18 what what WP 21 DEP 19 the the DT 20 NMOD 20 question question NN 21 SBJ 21 was be VBD 17 OBJ 22 . . . 4 P 1 When when WRB 2 DEP 2 should should MD 0 ROOT 3 you you PRP 2 SBJ 4 do do VB 2 VC 5 an an DT 6 NMOD 6 ultrasound ultrasound NN 4 OBJ 7 to to TO 6 PRP 8 look look VB 7 IM 9 at at IN 8 ADV 10 the the DT 12 NMOD 11 endometrial endometrial JJ 12 NMOD 12 stripe stripe NN 9 PMOD 13 versus versus CC 6 COORD 14 an an DT 16 NMOD 15 endometrial endometrial JJ 16 NMOD 16 sample sample NN 13 CONJ 17 with with IN 16 NMOD 18 a a DT 19 NMOD 19 Pipelle pipelle NNP 17 PMOD 20 on on IN 4 LOC 21 someone someone NN 20 PMOD 22 on on IN 21 NMOD 23 hormone hormone NN 24 NMOD 24 replacement replacement NN 25 NMOD 25 therapy therapy NN 22 PMOD 26 or or CC 21 COORD 27 someone someone NN 26 CONJ 28 with with IN 27 NMOD 29 postmenopausal postmenopausal JJ 30 NMOD 30 bleeding bleeding NN 28 PMOD 31 ? ? . 2 P