Based on the context and the answer, generate a question. 

Context: Turn is irrelevant , but I bet , he calls . River , a 7 baby ! I bet 10 , he makes it 20 , I make it 30 , and then he makes it 40 , I opted to just call in case he had a bigger full house than me .

Answer:

They 're playing cards .



What type of game is the narrator playing ?