The host country is a favorite to win the World Cup.
Brazil is a perennial contender.
Neymar is the key to Brazil. He'll score at least 1 goal a game.
Neymar was hurt in the quarterfinals and will be unavailable for the semi-finals. Will hurt Brazil.
Brazil has an uphill climb against Germany in the semi-finals without Neymar.
Injuries and disqualifications suffered in the quarter-finals will adversely affect Brazil in the semi-finals vs Germany.