// Uebung 3, Aufgabe 2

// Input file format: e ||| f

scorePhrasePairs(file):
    string e = ""
    int countE = 0
    dict f2Count = {}

    while input file has another line:
	    <curE, curF> = line.split("|||")

	    if (curE != e) :
		    calcAndPrint(e, countE, f2Count)
		    e = curE
		    countE = 0
		    f2Count.clear()

	    countE++
    	if (f2Count contains curF):
    		cF = f2Count[curF]
    	else:
    		cF = 0
    	f2Count[curF] = cF + 1
    
    // Don't forget last e
    calcAndPrint(e, countE, f2Count)


calcAndPrint(e, countE, f2Count):
	for f in f2Count:
		print e, "|||", f, "|||", f2Count[f]/countE