Table 5.

Label prediction by the CRF model on the test file

Sentence	Conditional probability calculated by the FRC model	Sentence label
1	P (POPULATION | Phrase1) = p1	p4 > p1, p2, p3 ➔label = OTHER
	P (INTERVENTION | Phrase1) = p2
	P (OUTCOME | Phrase1) = p3
	P (OTHER | Phrase1) = p4
1	P (POPULATION | Phrase1) = p1	p2 > p1, p4, p3 ➔label = INTERVENTION
	P (INTERVENTION | Phrase1) = p2
	P (OUTCOME | Phrase1) = p3
	P (OTHER | Phrase1) = p4
1	P (POPULATION | Phrase1) = p1	p1 > p2, p4, p3 ➔label = POPULATION
	P (INTERVENTION | Phrase1) = p2
	P (OUTCOME | Phrase1) = p3
	P (OTHER | Phrase1) = p4