Q: "The surfer is riding a wave." Does this mean that "The surfer is riding a wave that is 20 feet tall to the amazement of the crowd."?
A: it is not possible to tell

Q: "Four older people are sitting outdoors at a restaurant." Does this mean that "Four people sit outside."?
A: yes

Q: "Two males are staring at a floating object." Does this mean that "Two guys stare at a dead body in the lake."?
A: it is not possible to tell

Q: "A person in a red shirt is getting a haircut." Does this mean that "A person is shaving their beard."?
A:
no